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: have a really bored class today  Question: is it a negative tweet?

Ex Output:
yes


Ex Input:
Tweet: @1outside Lovely. I bought Andy MacKays solo album...In Search Of Eddie Riff. I think only 5 were sold  Question: is it a negative tweet?

Ex Output:
no


Ex Input:
Tweet: I had a sweet dream last night. Too bad it's over now; back to reality.  Question: is it a positive tweet?

Ex Output:

no