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:
Safari &amp; WebKit keeps crashing for no reason after a while. Switching to Firefox 

Ex Output:
negative


Ex Input:
when will the twiiter episode be shown? 

Ex Output:
positive


Ex Input:
loves the cold.  bed weather!!!

Ex Output:

positive