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

Ex Output:
yes


Ex Input:
Tweet: @xo_amanda_xo yeah hopefully. Well I've favorited the tweet. It's so true and hilarious, ha  Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: Damn! Does this mean they wont be doing sexify from there anymore?   NO FAIR! Question: is it a positive tweet?

Ex Output:

no