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".

Input: Consider Input: Tweet: why do humans need sleep?? seriously if life's too short why waste time by sleeping?? anyway yeah i need some sleep  boring boring boring Question: is it a positive tweet?

Output: no


Input: Consider Input: Tweet: doesn't want summer to end  Question: is it a positive tweet?

Output: no


Input: Consider Input: Tweet: I think I'm gonna leave CB. They've made some dumb decisions. The mods are always on power trips.  Question: is it a negative tweet?


Output: yes