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".

Input: Consider Input: 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?

Output: yes


Input: Consider Input: Tweet: @1outside Lovely. I bought Andy MacKays solo album...In Search Of Eddie Riff. I think only 5 were sold  Question: is it a negative tweet?

Output: no


Input: Consider Input: Tweet: Of course, the Doctor could have already done that once (starting at one) in The Trial of a Time Lord, but whatever  Question: is it a negative tweet?


Output: no