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: Never mind swine flu, looks like I might be in for a dose of chicken pox  Question: is it a negative tweet?
yes

Tweet: My eBay purchase still hasn't arrived. I may have been scammed. The lengths I go to get my hands on an Android Vodafone HTC Magic  Question: is it a positive tweet?
no

Tweet: im still mad about my damn onion    Question: is it a negative tweet?

yes