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:
*cries* i dont want to do this anymore

Ex Output:
negative

Ex Input:
Off to bed.. Lets hope iPhone OS 3.0 is released tomorrow!

Ex Output:
positive

Ex Input:
i have a headache

Ex Output:
negative