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".
Q: Tweet: Home from Brantford. Saw Walter Gretzky.  That man is like a god in Canada.  Nicest person alive too.  Excellent tournament Walter  Question: is it a positive tweet?
A: 
yes