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.

Ex Input:
@jordanknight I know 

Ex Output:
negative


Ex Input:
@vickytcobra Voted  And you're 12th place! &lt;3

Ex Output:
positive


Ex Input:
I start my 2nd last class of grad school today! 

Ex Output:

positive