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: @_crislyn ok yan cris... dont worry, effect lang yan ng gamot.  Question: is it a negative tweet?
Example Output: no

Example Input: Tweet: Never mind swine flu, looks like I might be in for a dose of chicken pox  Question: is it a negative tweet?
Example Output: yes

Example Input: Tweet: @mybonescostme No, srsly, youÊ»re the best. *hugs back* letÊ»s not fight!  Question: is it a positive tweet?
Example Output:
yes