diff --git a/src/execution/main_execution.py b/src/execution/main_execution.py
index 15fe8aba..1a5f23cf 100644
--- a/src/execution/main_execution.py
+++ b/src/execution/main_execution.py
@@ -16,14 +16,20 @@
 def parse_args() -> argparse.Namespace:
     parser = argparse.ArgumentParser(description="GREEN Project")
 
-    parser.add_argument("-s",  "--source",    type=str, help="local source file name.")
-    parser.add_argument("-o",  "--folder",    type=str, help="Dir to store the results.", default="/tmp/grey/")
-    parser.add_argument("-g", "--greedy", action="store_true", help="Enables the greedy algorithm")
-    parser.add_argument("-bt", "--builtin-ops", action="store_true", dest = "builtin",
-                        help="Keeps the original builtin opcodes")
-    parser.add_argument("-v", "--visualize", action="store_true", dest="visualize",
-                        help="Generates a dot file for each object in the JSON, "
-                             "showcasing the results from the liveness analysis")
+    input_options = parser.add_argument_group("Input Options")
+
+    input_options.add_argument("-s",  "--source",    type=str, help="local source file name.")
+
+    output_options = parser.add_argument_group("Output Options")
+    output_options.add_argument("-o", "--folder", type=str, help="Dir to store the results.", default="/tmp/grey/")
+    output_options.add_argument("-v", "--visualize", action="store_true", dest="visualize",
+                                help="Generates a dot file for each object in the JSON, "
+                                     "showcasing the results from the liveness analysis")
+
+    synthesis_options = parser.add_argument_group("Synthesis Options")
+    synthesis_options.add_argument("-g", "--greedy", action="store_true", help="Enables the greedy algorithm")
+    synthesis_options.add_argument("-bt", "--builtin-ops", action="store_true", dest="builtin",
+                                   help="Keeps the original builtin opcodes")
 
     args = parser.parse_args()
     return args