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: @Garryallan gadget - dropstop - is little device to stop wine bottle dripping during a pour  unconfused?? Question: is it a positive tweet?

Output: yes


Input: Consider Input: Tweet: @eileenalouise thanks! might have to hold off til my ext hard drive is returned as i don't think my 'puter has room for another update  Question: is it a negative tweet?

Output: yes


Input: Consider Input: Tweet: tttyyypppiinnnggg!! lol yeah i finally gave into twitter... tweet tweet  Question: is it a negative tweet?


Output: no