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: 3 AM. first song he wrote that he liked. so he kept it.  Question: is it a negative tweet?

Ex Output:
no


Ex Input:
Tweet: watched Skins for about three hours, so now i can go to bed...goodnight twitter!  Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: I loved how Classic Spock from Star Trek: The Original Series made a cameo  Question: is it a positive tweet?

Ex Output:

yes