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: Fitting Cu EPR signals with easyspin...it's killing my laptop 

SOLUTION: negative

PROBLEM: Also, I don't want to do PDEng 

SOLUTION: negative

PROBLEM: wants to go to bed 

SOLUTION:
negative