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".

Ex Input:
Tweet: Omg just got twitter on my phone! Haha  Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: Just finished Breaking Dawn! I wish there were more books in the series!!!  Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: Sad to hear about Farrah Fawcett...   [Link] Question: is it a positive tweet?

Ex Output:

no