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: Looks like #8 won't happen till at least 2012  Question: is it a negative tweet?

Ex Output:
yes


Ex Input:
Tweet: @TheTZA It's OK... sometimes life gets in the way of living life. Don't feel bad and I hope that things are OK now.  Question: is it a negative tweet?

Ex Output:
no


Ex Input:
Tweet: my bellie hurts  Question: is it a negative tweet?

Ex Output:

yes