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: I like Cheesecake Factory! Happy Mother's Day! 
Example Output: positive

Example Input: is really annoyed that i LOST all the photo files 
Example Output: negative

Example Input: home from london, well tired &amp; sun burnt 
Example Output:
negative