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:
Have not twittered in 15 days!? GOO'NIGHT.. 

Ex Output:
negative


Ex Input:
@b0j3 thats why  the question mark. Iam not sure about the concrete implementation but the idea is ok 

Ex Output:
positive


Ex Input:
pra quem curte #papertoys : [Link] download for you! 

Ex Output:

positive