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: My eBay purchase still hasn't arrived. I may have been scammed. The lengths I go to get my hands on an Android Vodafone HTC Magic  Question: is it a positive tweet?
[EX A]: no

[EX Q]: Tweet: @mileycyrus It wont let me vote because im in the UK but i've tried about 10 times  Darn it! x Question: is it a negative tweet?
[EX A]: yes

[EX Q]: Tweet: Work is so busy with the preparation of sale  good news nfg@garage ldn 22nd august!xkx Question: is it a positive tweet?
[EX A]:
no