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:
@leekingx3  good luck!  

Ex Output:
positive


Ex Input:
Very upset ... 

Ex Output:
negative


Ex Input:
@giloi2009 Yeah I got excited by seeing that changelog, then was bitterly disappointed there's no push notifications for Facebook 

Ex Output:

negative