TASK DEFINITION: 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.
PROBLEM: @mzkalila Yes I am!  It's a really cute story. Check it out! 

SOLUTION: positive

PROBLEM: #iranelection #gr88 can't find the clicker 

SOLUTION: negative

PROBLEM: can't wait for my ps3 to arrive!! 

SOLUTION:
positive