TASK DEFINITION: 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.
PROBLEM: starting a new diet/fitness plan tomorrow, it's gonna be rough. Starts with a 2 day fast. Think of me tomorrow while you eat 

SOLUTION: negative

PROBLEM: very true my friend, i'm not really feeling a mullet though, not this time anyway ;) next time ey? 

SOLUTION: positive

PROBLEM: I am hungry. Skipping lunch is not funny 

SOLUTION:
negative