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:
I have a headache 

Ex Output:
negative


Ex Input:
@ElkaBr My day was ok,little boring but ok.Yeah,twitter had some problems the last days.It sucks!Ops 

Ex Output:
positive


Ex Input:
Sophie has LEFT 4 A LONG TIME!!! 

Ex Output:

negative