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: Still on the conference call, been 50mins, was only supposed to be 30 max and it's not sounding like ending any time soon  Question: is it a positive tweet?

Ex Output:
no


Ex Input:
Tweet: @eileenalouise thanks! might have to hold off til my ext hard drive is returned as i don't think my 'puter has room for another update  Question: is it a negative tweet?

Ex Output:
yes


Ex Input:
Tweet: @Mileymandyfan_ heya, im gd thanx, kinda bored of revising  how are you? Question: is it a positive tweet?

Ex Output:

no