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: HTC Hero is here (in europe ) [Link] Question: is it a negative tweet?
[EX A]: yes

[EX Q]: Tweet: Lying in bed catching up on my sleep since i've been up all week Question: is it a positive tweet?
[EX A]: no

[EX Q]: Tweet: @kyle270 aw good lmfao baby block them!haha,i'm sat in citizenship doing nothing :l its so pointless!haha love you xx Question: is it a positive tweet?
[EX A]:
yes