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.

Example Input: landed in DC and collected bags. Vacation is way over 
Example Output: negative

Example Input: As a reward, you may download a free copy of EmailUnlimited on [Link] 
Example Output: positive

Example Input: Chickenpox even worse today 
Example Output:
negative