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: OOUUCCHHH ... I have such a bad headache !!!  ... [Link] Question: is it a negative tweet?
yes

Tweet: Yay Star Trek is trending again. Lve itr. Just got done DS9 S7 E3. Love GARAK. He rocks. Ezri is Meh tho. I Miss Jadzia in S7  Question: is it a positive tweet?
no

Tweet: @Bluegrass_IT iPhone OS 3 is NOT available in the UK yet  Question: is it a positive tweet?

no