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:
at work ready to go

Ex Output:
negative

Ex Input:
New picture is up on flickr! Fun shot today

Ex Output:
positive

Ex Input:
doesn't want to go to school tomorrow. it's the last day, but it's also twyla's day off

Ex Output:
negative