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: Never mind swine flu, looks like I might be in for a dose of chicken pox  Question: is it a positive tweet?
Example Output: no

Example Input: Tweet: Sad to hear about Farrah Fawcett...   [Link] Question: is it a negative tweet?
Example Output: yes

Example Input: Tweet: Brasil 4 x 0 Uruguai :  So good to win!   Question: is it a negative tweet?
Example Output:
no