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: @aweekes Well I'll get most of them done next week and then the week after I've just got one on the 16th then I'm done!  Question: is it a negative tweet?

Ex Output:
no


Ex Input:
Tweet: I have the #cultofthebear image to put on my computer at work.   Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: @Garryallan gadget - dropstop - is little device to stop wine bottle dripping during a pour  unconfused?? Question: is it a negative tweet?

Ex Output:

no