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

Output: yes


Input: Consider Input: 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?

Output: yes


Input: Consider Input: Tweet: Aloha blip land. Have a pow wow day  ? [Link]~5j7en Question: is it a negative tweet?


Output: no