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 Q]: Tweet: sad to see batmobile needs a new makeup again..  Question: is it a negative tweet?
[EX A]: yes

[EX Q]: Tweet: i can't stop gaining weight! i hate you chocolate but please don't break up with me  Question: is it a positive tweet?
[EX A]: no

[EX Q]: Tweet: @kirstiealley How about Saavik?    Question: is it a negative tweet?
[EX A]:
no