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".

Example Input: Tweet: @_laertesgirl It's not as good as Mr C tho Question: is it a negative tweet?
Example Output: yes

Example Input: Tweet: i've been on a roll with blocking tonight! too bad i ran out of things that need blocking and T-pins. Ironically.. Question: is it a positive tweet?
Example Output: no

Example Input: Tweet: @slmar #flyinglushes We'll see how it turns out - I used a mortar & pestle to make my superfine sugar Question: is it a positive tweet?
Example Output:
yes