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.

Example Input: Damn it! Back to B&amp;Q cos half of the new desk is the wrong colour 
Example Output: negative

Example Input: @trobin40 calgary  its not much snow, but still!!
Example Output: negative

Example Input: Hangoverday. Food, sleep, tv.. &lt;3. Still can't believe I'll be moving to London though. 
Example Output:
positive