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: @joe_hill, it can be altered for each post.  Question: is it a positive tweet?

Output: yes


Input: Consider Input: Tweet: A 20-year-old female has become the first swine flu fatality in San Diego County. (via @SanDiego6) - dang, only 20yo...  Question: is it a positive tweet?

Output: no


Input: Consider Input: Tweet: Good night and goodbye Mexico hope come back soon  San Diego here we go! Question: is it a positive tweet?


Output: yes