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".

Ex Input:
Tweet: My heart won't let me sleep... Been up all night.  Question: is it a negative tweet?

Ex Output:
yes


Ex Input:
Tweet: Finished blogging. I wanna watch Dance! Subaru, The Hangover and Coraline. UGHHH.  Question: is it a negative tweet?

Ex Output:
yes


Ex Input:
Tweet: is going home tomorrow  [Link] Question: is it a negative tweet?

Ex Output:

no