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".

Q: Tweet: My flight has been cancelled to Turkey! I'm flying now Friday 03:30 o'clock to Bodrum. 3,5 hours by bus to Marmaris  Question: is it a negative tweet?

A: yes
****
Q: Tweet: @Lisa_Veronica I hope the tour is going great so far, I think I may take a trip out to NYC or binghamton to see you guys again! fave band  Question: is it a negative tweet?

A: no
****
Q: Tweet: [Link]  non-moving key fell off my powerbook. fail  Question: is it a negative tweet?

A:
yes
****