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 Input:
www.twitpic.com/6ttmg (BBB7)/www.twitpic.com/6ttpk (BBB9) sonhos realizados, graÃ§as ao @boninho )) big brother brazil is the beeest ! 

Ex Output:
positive


Ex Input:
Big exam today. Bleh. 

Ex Output:
negative


Ex Input:
My teacher says I will have buns of steel when this is all over.  I predict I will have no buns at all if I keep this up. 

Ex Output:

negative