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: &quot;A watched pot never boils.&quot; Does anyone else see the significance of that phrase? We must trust and let go. Very important.  PEACE  Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: @1nationchris awwwe..I'm sorry. They been doing ppl bad as long as I've lived in dc. U need a new spot  Question: is it a negative tweet?

Ex Output:
no


Ex Input:
Tweet: I was shootin' hoops, and the ball hit the tip of my finger. It bent my nail back and pulled it away from the skin. It really hurts  Question: is it a negative tweet?

Ex Output:

yes