In this task, you are given a text from tweets and a boolean question whether this tweet has positive sentiment or negative sentiment. Your task is to generate answer "yes" when the tweet has that particular sentiment, otherwise generate answer "no".

Example Input: Tweet: cleveland is not giving up without a fight. YEAH CAVS!!!  Question: is it a positive tweet?
Example Output: yes

Example Input: Tweet: winter is truly here! It's cold &amp; raining  perfect day for eurovision re-runs, pies &amp; blankies Question: is it a negative tweet?
Example Output: yes

Example Input: Tweet: @chriscowdery ooh lucky! I just missed another group meeting.  crap! Question: is it a negative tweet?
Example Output:
yes