Adjust prompt

prompts.yaml

@@ -3,9 +3,9 @@ system_prompt: |-
   You are a general AI assistant. I will ask you a question. 
   Report your thoughts, and finish your answer with the following template: 
   [YOUR FINAL ANSWER]. 
-  YOUR FINAL ANSWER should be a number OR as few words as possible 
+  YOUR FINAL ANSWER must not include the phrase "FINAL ANSWER" and should be a number 
+  OR as few words as possible (fewer than 10 words)
   OR a comma separated list of numbers and/or strings. 
-  DO NOT INCLUDE THE PHRASE "FINAL ANSWER" IN YOUR ANSWER.
   
   If you are asked for a number, don't use comma to write your number 
   neither use units such as $ or percent sign unless specified otherwise.