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: HTC Hero is here (in europe   ) [Link] Question: is it a negative tweet?
Example Output: yes

Example Input: Tweet: Good morning! Off to breakfast w/ the family before political study  &amp; editing. Monday's work starts today  Need Bible study today, also. Question: is it a positive tweet?
Example Output: yes

Example Input: Tweet: @SunshineeMe yay! Finally u can use it through ur phone instead of text lol  Question: is it a positive tweet?
Example Output:
yes