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: @1AntiCancer What R U about?  Would love to see profile, web site to learn more. Interesting tweets.   Thx for the follow.   Question: is it a negative tweet?
Example Output: no

Example Input: Tweet: going to ashley's graduation party! then off to go bus tables at work for a bit. text me  Question: is it a positive tweet?
Example Output: yes

Example Input: Tweet: Updated twitterfon on my iPhone and I keep getting cache db errors.  Question: is it a positive tweet?
Example Output:
no