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: New picture is up on flickr!  Fun shot today 
Example Output: positive

Example Input: I've just been called a teenie 
Example Output: negative

Example Input: @dsmpublishing I would happily join you on Facebook, but that and MySpace are ultimately forbidden in my household. 
Example Output:
negative