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: @Kaugomu ... I don't know how to use my sewing machine.  Question: is it a negative tweet?
[EX A]: no

[EX Q]: Tweet: Math exam done. Thats two down, five to go  x Question: is it a negative tweet?
[EX A]: yes

[EX Q]: Tweet: dream tour of the moment: @switchfoot, @caitlincrosby, @mollyjenson. you guys should make that happen.  Question: is it a positive tweet?
[EX A]:
yes