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: I had a sweet dream last night. Too bad it's over now; back to reality.  Question: is it a positive tweet?

Output: no


Input: Consider Input: Tweet: Damn! Does this mean they wont be doing sexify from there anymore?   NO FAIR! Question: is it a negative tweet?

Output: yes


Input: Consider Input: Tweet: Woohoooo xD Slept like 5 hours or so  but had breakfast and Aly and andy just left. Kai, Tiffy and nicki r still sleeping xD Kickass night Question: is it a negative tweet?


Output: no