diff --git a/NLU.py b/NLU.py
index 4876f8c..5fcdf0f 100644
--- a/NLU.py
+++ b/NLU.py
@@ -88,7 +88,7 @@ class NLU:
         """
         Query -> coref resolution & intent extraction -> if intents are not confident or if query is ambig -> rewrite query and recheck -> if still ambig, ask a clarifying question
         """
-        if utterance in ["help", "list resources", "list papers", "list datasets", "list topics"]:
+        if utterance.lower() in ["help", "list resources", "list papers", "list datasets", "list topics"]:
             return {"modified_query": utterance, "intent": "COMMAND", "entities": [], "is_offensive": False, "is_clear": True}
 
         self.to_process = utterance
diff --git a/ResponseGenerator.py b/ResponseGenerator.py
index 26e03e3..cd1bd12 100644
--- a/ResponseGenerator.py
+++ b/ResponseGenerator.py
@@ -255,7 +255,7 @@ class ResponseGenerator:
                 return self.gen_response(action="listCommands")
 
         elif action == "sumPaper":
-            if len(self.paper) == 0 or (len(self.paper) > 0 and len(state['entities'])>0)
+            if len(self.paper) == 0 or (len(self.paper) > 0 and len(state['entities'])>0):
                 for entity in state['entities']:
                     if (entity['entity'] == 'TITLE'):
                         paper = self._get_matching_titles('paper_db', entity['value'])
diff --git a/main.py b/main.py
index 8fcdb83..0202b4d 100644
--- a/main.py
+++ b/main.py
@@ -159,6 +159,7 @@ def feedback():
                     data['speed'], data['intent']))
         conn.commit()
         cur.close()
+        
         reply = jsonify({"status": "done"})
         return reply
 
@@ -198,6 +199,7 @@ if __name__ == "__main__":
 
     threading.Thread(target=vre_fetch, name='updatevre').start()
     threading.Thread(target=clear_inactive, name='clear').start()
+    
     conn = psycopg2.connect(host="janet-pg", database=os.getenv("POSTGRES_DB"), user=os.getenv("POSTGRES_USER"), password=os.getenv("POSTGRES_PASSWORD"))
     
     cur = conn.cursor()
@@ -219,4 +221,5 @@ if __name__ == "__main__":
                                  )
     conn.commit()
     cur.close()
+    
     app.run(host='0.0.0.0')