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: @thatswhack74 that's what happened in twilight and will happen in new moon again  Question: is it a positive tweet?
Example Output: no

Example Input: Tweet: [Link] merge la NetStartup ! See you there, guys !   Question: is it a negative tweet?
Example Output: no

Example Input: Tweet: @rosieperez yes! I can't find one 4 my Curve 8900  Question: is it a negative tweet?
Example Output:
yes