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".
--------
Question: 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?

Answer: no


Question: Tweet: @HockeyGal78 yeah back to work  I get out at 3:30 so it's not that bad Question: is it a positive tweet?

Answer: no


Question: Tweet: Sitting in my balcony with mac, enjoying the lightning. Hope none of it hits my lappy or me. Bangalore is awesome  Question: is it a positive tweet?

Answer:
yes