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: graduation tommorrow and i don't know why they grad song is &quot;i'm not gonna cry&quot; because i know everyone is going to cry including me  Question: is it a positive tweet?
[EX A]: no

[EX Q]: Tweet: @jungvolk if we chant Brookes name.. will that bring her back??????  Twitter is becoming a very lonely place now.......about 23 hours ago Question: is it a positive tweet?
[EX A]:
no