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".

Tweet: @jonrussell wishful thinking or projection by men with &quot;yellow fever&quot; who can't understand the language &amp; take silence as agreement.  Question: is it a negative tweet?
no

Tweet: Any one wants a spymaster invite , please msg me  Question: is it a negative tweet?
no

Tweet: @DianeatNorthBay I was very sad.  blogging is so diff now. lol Question: is it a negative tweet?

yes