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".

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

Tweet: Posted about Twitter on A4U, now posting on Twitter this comment so people clicking the link from A4U see it and think WTF LOL  Question: is it a positive tweet?
yes

Tweet: @lisisilveira Ah ! It might frighten them away though ! lol!  Question: is it a positive tweet?

yes