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:
@artfanatic411   I agree, but they always do~ when things are going really smooth, they decide its maintenance time  

Ex Output:
positive


Ex Input:
How time flys...this is it - TWEAT #500...back to business now that that milestone is over 

Ex Output:
positive


Ex Input:
Cloud cover too low - can't go gliding 

Ex Output:

negative