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: @trobin40 calgary  its not much snow, but still!!
Example Output: negative

Example Input: #exam today 
Example Output: negative

Example Input: wish i wasnt going back to school tomorrow  i want to wear my new top :'( oh well i will just have to wait till the weekend.
Example Output:
negative