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: Fitting Cu EPR signals with easyspin...it's killing my laptop 
Example Output: negative

Example Input: @jordanknight is it ever gonna be a girl?!!! 
Example Output: positive

Example Input: OUCHHHHH! Im sooo burnt from the lake yesterday! 
Example Output:
negative