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: Omg just got twitter on my phone! Haha  Question: is it a positive tweet?
Example Output: yes

Example Input: Tweet: Today = Off-day ... supposedly to be Sentosa-tanning + gym day. but. Sick sick sick.  grrr! Question: is it a positive tweet?
Example Output: no

Example Input: Tweet: Yay for volunteers! Willing to help you remove flooding rainwater in a tar pit with a turkey baster on a moment's notice  Question: is it a positive tweet?
Example Output:
yes