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.

[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 
[A]: positive


[Q]: @ryanwagner It's still a bit off in the distance, but people have been asking for a teaser.  
[A]: positive


[Q]: the has gone  walking home, been on the park with Lorna.
[A]:
negative