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".
--------
Question: Tweet: hay @jason_mraz i haven't buy your cd compilation because it's too expensive  but i want to hear that Question: is it a negative tweet?

Answer: yes


Question: Tweet: Keeping my fingers crossed for my buddy    He is not feeling well. Question: is it a negative tweet?

Answer: yes


Question: Tweet: Stupid dundee busses! 8mins late!! And over priced! I miss edinburgh  #fb Question: is it a positive tweet?

Answer:
no