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: New picture is up on flickr!  Fun shot today 

SOLUTION: positive

PROBLEM: head down town.. sceam out loud! we have to break some rules.. no more days to waste...  *-*

SOLUTION: positive

PROBLEM: oh no.  Twitter is going down at 2pm....

SOLUTION:
negative