Update app.py

app.py

@@ -190,6 +190,8 @@ AVAILABLE_PICTURES_REPLACE_TEXT
 
 ONLY USE AN IMAGE FROM THE LIST ABOVE. DO NOT ALLUCINATE ANY ADDITIONAL IMAGES.
 
+IF THERE IS NOT AN IMAGE THAT WOULD FIT IN THE RESPONSE, RETURN [DEFAULT IMAGE]
+
 The text response must be short, casual, and realistic as in non robotic tone
 
 The reply format must be in json, like this:
@@ -201,7 +203,7 @@ For example:
 [WAVING TO THE CAMERA]
 I ain't no bot, heres a pic if u need proof
 
-Remember that the image MUST be on the list. DO NOT ALLUCINATE.
+Remember that the image MUST be on the list or be the [DEFAULT IMAGE]. DO NOT ALLUCINATE.
     
     """