diff --git a/naive-nlu/tree_nlu/cli.py b/naive-nlu/tree_nlu/cli.py
index 701347e..1306d83 100644
--- a/naive-nlu/tree_nlu/cli.py
+++ b/naive-nlu/tree_nlu/cli.py
@@ -1,4 +1,3 @@
-import logging
 from .knowledge_base import KnowledgeBase
 from .tests import gac_100
 from .modifiable_property import (
@@ -10,6 +9,12 @@ from .modifiable_property import (
 
 bye_phrases = ['bye', 'exit']
 
+
+def debug(knowledge):
+    for key in knowledge.knowledge:
+        print("\x1b[1m{}\x1b[0m {}".format(key, knowledge.knowledge[key]))
+
+
 def main():
     knowledge = gac_100.main()
     while True:
@@ -23,6 +28,10 @@ def main():
         if not data:
             continue
 
+        if data == '/debug':
+            debug(knowledge)
+            continue
+
         ret = knowledge.process(data)
         if ret:
             result, _, _ = ret