In this task, you are given a text from tweets. Your task is to classify given tweet text into two categories: 1) positive, and 2) negative based on its content.

[EX Q]: @MedifastPr Btw I lost 17lbs on Medifast. Its helped me alot. And I love what I'm eating...that's very important to me: Gotta be TASTY 
[EX A]: positive

[EX Q]: think i have swine flu 
[EX A]: negative

[EX Q]: &amp; 8 days till JONAS!!!!! Woooo! Life is sweet 
[EX A]:
positive