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: @soundtracks YAY!!! 
Example Output: positive

Example Input: @tommcfly have a great time in rio 
Example Output: positive

Example Input: @philrandolph Alright alright.  I'm in.   Week 1, day 1 will commence after today's run. (crap)
Example Output:
positive