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: Rather work with the materials  - [Link] 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: I have a busy weeknd ahead of me- study session 2nite, test tomm, paper on sunday! NoT COOL  Question: is it a negative tweet?

yes