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: Never mind swine flu, looks like I might be in for a dose of chicken pox  Question: is it a positive tweet?

Output: no


Input: Consider Input: Tweet: Is it Darby's or Bite Me?? The Haberfelde staple seems to keep changing names.. need coffee &amp; today it's just 'closed'.  Question: is it a negative tweet?


Output: yes