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: @mikelovato smart... It's so crowded here! 

SOLUTION: negative

PROBLEM: Check for survey:$3    security deposit check: $215               bill for textbooks: over double that 

SOLUTION: negative

PROBLEM: 90210 marathon again. Kings of Leon plays in the background while I wait for it to download. 

SOLUTION:
positive