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: @syddesign at least you are there &amp; honestly i am  jealous.  I t is less stressful than being an exhibitor for sure! Question: is it a negative tweet?

A: no
****
Q: Tweet: Finally Bochy yanks Zito...what a waste of $$$...Giants trade the bum for a couple big bats...PLEASE!!!  Question: is it a positive tweet?

A:
no
****