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:
@UlrikaE HELL YES YOU CAN GET A HELL YES 

Ex Output:
positive


Ex Input:
I think @krystalho and I just had almost a total of 3 hours add maths class. 

Ex Output:

negative