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: sam and dean go back to schooll. 
Example Output: positive

Example Input: Not fair how during sale season fat ppl always get the good stuff 
Example Output: negative

Example Input: Iv been in my bed for like 5hrs and nothing happened! My eyes were just close and I cant fall to sleep 
Example Output:
negative