diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bcece79..b928c5d 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -49,5 +49,8 @@ target_link_libraries(b_main PyClassifiers BayesNet ArffFiles mdlp)
 # b_manage
 set(manage_sources b_manage.cc ManageResults.cc CommandParser.cc Results.cc)
 list(TRANSFORM manage_sources PREPEND manage/)
-add_executable(b_manage ${manage_sources} main/Result.cc reports/ReportConsole.cc reports/ReportExcel.cc reports/ReportBase.cc reports/ExcelFile.cc common/Datasets.cc common/Dataset.cc)
+add_executable(b_manage ${manage_sources} main/Result.cc 
+    reports/ReportConsole.cc reports/ReportExcel.cc reports/ReportExcelCompared.cc reports/ReportBase.cc reports/ExcelFile.cc 
+    common/Datasets.cc common/Dataset.cc
+)
 target_link_libraries(b_manage "${TORCH_LIBRARIES}" "${XLSXWRITER_LIB}" ArffFiles mdlp)
diff --git a/src/manage/ManageResults.cc b/src/manage/ManageResults.cc
index 078773f..fc4de4b 100644
--- a/src/manage/ManageResults.cc
+++ b/src/manage/ManageResults.cc
@@ -7,6 +7,7 @@
 #include "Paths.h"
 #include "ReportConsole.h"
 #include "ReportExcel.h"
+#include "ReportExcelCompared.h"
 
 namespace platform {
 
@@ -84,6 +85,14 @@ namespace platform {
         std::cout << "Not done!" << std::endl;
         return false;
     }
+    void ManageResults::report_compared(const int index_A, const int index_B)
+    {
+        std::cout << "Comparing " << results.at(index_A).getFilename() << " with " << results.at(index_B).getFilename() << std::endl;
+        auto data_A = results.at(index_A).getJson();
+        auto data_B = results.at(index_B).getJson();
+        ReportExcelCompared reporter(data_A, data_B);
+        reporter.report();
+    }
     void ManageResults::report(const int index, const bool excelReport)
     {
         std::cout << Colors::YELLOW() << "Reporting " << results.at(index).getFilename() << std::endl;
@@ -140,7 +149,7 @@ namespace platform {
     void ManageResults::menu()
     {
         char option;
-        int index, subIndex;
+        int index, subIndex, index_A = -1, index_B = -1;
         bool finished = false;
         std::string filename;
         // tuple<Option, digit, requires value>
@@ -152,7 +161,10 @@ namespace platform {
             {"sort", 's', false},
             {"report", 'r', true},
             {"excel", 'e', true},
-            {"title", 't', true}
+            {"title", 't', true},
+            {"set A", 'a', true},
+            {"set B", 'b', true},
+            {"compare A~B", 'c', false}
         };
         // tuple<Option, digit, requires value>
         std::vector<std::tuple<std::string, char, bool>> listOptions = {
@@ -172,9 +184,31 @@ namespace platform {
                 case 'q':
                     finished = true;
                     break;
+                case 'a':
+                    if (index == index_B) {
+                        std::cout << Colors::RED() << "A and B cannot be the same!" << Colors::RESET() << std::endl;
+                        break;
+                    }
+                    index_A = index;
+                    break;
                 case 'b':
-                    // back to show the report
-                    report(index, false);
+                    if (indexList) {
+                        if (index == index_A) {
+                            std::cout << Colors::RED() << "A and B cannot be the same!" << Colors::RESET() << std::endl;
+                            break;
+                        }
+                        index_B = index;
+                    } else {
+                        // back to show the report
+                        report(index, false);
+                    }
+                    break;
+                case 'c':
+                    if (index_A == -1 || index_B == -1) {
+                        std::cout << Colors::RED() << "Need to set A and B first!" << Colors::RESET() << std::endl;
+                        break;
+                    }
+                    report_compared(index_A, index_B);
                     break;
                 case 'l':
                     list();
diff --git a/src/manage/ManageResults.h b/src/manage/ManageResults.h
index 6bd3704..ba14f27 100644
--- a/src/manage/ManageResults.h
+++ b/src/manage/ManageResults.h
@@ -13,6 +13,7 @@ namespace platform {
         void list();
         bool confirmAction(const std::string& intent, const std::string& fileName) const;
         void report(const int index, const bool excelReport);
+        void report_compared(const int index_A, const int index_B);
         void showIndex(const int index, const int idx);
         void sortList();
         void menu();
@@ -25,7 +26,6 @@ namespace platform {
         Results results;
         lxw_workbook* workbook;
     };
-
 }
 
 #endif /* MANAGE_RESULTS_H */
\ No newline at end of file
diff --git a/src/reports/ReportExcel.h b/src/reports/ReportExcel.h
index 9e7b052..5052378 100644
--- a/src/reports/ReportExcel.h
+++ b/src/reports/ReportExcel.h
@@ -9,11 +9,11 @@ namespace platform {
     class ReportExcel : public ReportBase, public ExcelFile {
     public:
         explicit ReportExcel(json data_, bool compare, lxw_workbook* workbook, lxw_worksheet* worksheet = NULL);
+        void closeFile();
     private:
         void formatColumns();
         void createFile();
         void createWorksheet();
-        void closeFile();
         void header() override;
         void body() override;
         void showSummary() override;
diff --git a/src/reports/ReportExcelCompared.cc b/src/reports/ReportExcelCompared.cc
new file mode 100644
index 0000000..97ae356
--- /dev/null
+++ b/src/reports/ReportExcelCompared.cc
@@ -0,0 +1,21 @@
+#include "ReportExcelCompared.h"
+
+namespace platform {
+
+    ReportExcelCompared::ReportExcelCompared(json& data_A, json& data_B) : data_A(data_A), data_B(data_B), workbook(NULL)
+    {
+        ReportExcel report(data_A, false, workbook);
+        workbook = report.getWorkbook();
+        report.show();
+        report = ReportExcel(data_B, false, workbook);
+        report.show();
+    }
+    ReportExcelCompared::~ReportExcelCompared()
+    {
+        workbook_close(workbook);
+    }
+    void ReportExcelCompared::report()
+    {
+
+    }
+}
\ No newline at end of file
diff --git a/src/reports/ReportExcelCompared.h b/src/reports/ReportExcelCompared.h
new file mode 100644
index 0000000..d61d9f6
--- /dev/null
+++ b/src/reports/ReportExcelCompared.h
@@ -0,0 +1,14 @@
+#pragma once
+#include "ReportExcel.h"
+namespace platform {
+    class ReportExcelCompared {
+    public:
+        explicit ReportExcelCompared(json& data_A, json& data_B);
+        ~ReportExcelCompared();
+        void report();
+    private:
+        json& data_A;
+        json& data_B;
+        lxw_workbook* workbook;
+    };
+};
\ No newline at end of file