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 Q]: Tweet: i could have been staying at the apartment of my cute sk8erboy friend one month from now. (in case my tenses sound wrong, they're not)   Question: is it a negative tweet?
[EX A]: yes

[EX Q]: Tweet: i love the smell of weat packs  hate this weather SIGH  Question: is it a positive tweet?
[EX A]: no

[EX Q]: Tweet: No word from persiankiwi for 13 hours.  Question: is it a negative tweet?
[EX A]:
yes