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: emmarichard @TellMeEverythng @NancyRomm: did you read Sandra's piece about her divorce and marriage misery?  [Link] Question: is it a negative tweet?
yes

Tweet: 691 updates  Question: is it a positive tweet?

yes