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: so much for the mossy drink- mom and dad came home  but i feel like reading my book tonite anyways... so GoOdNiGhT ALL !! Question: is it a negative tweet?

Ex Output:
yes


Ex Input:
Tweet: my second last day in Pune  Question: is it a positive tweet?

Ex Output:
no


Ex Input:
Tweet: Crying laughing at some bloke on BBC with a handle and no suitcase   (toblerone anyone?)... Question: is it a positive tweet?

Ex Output:

yes