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: snitter does not work properly and i don't know why Question: is it a positive tweet?
Example Output: no

Example Input: Tweet: Just been looking at some northern hemisphere blogs, so jealous it's summer there Question: is it a positive tweet?
Example Output: no

Example Input: Tweet: @_SkaterGirl_ no way? really? they're my fav band too! Question: is it a positive tweet?
Example Output:
yes