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: @mikelovato smart... It's so crowded here! 

SOLUTION: negative

PROBLEM: keeps making ten different versions of my logo for my website and really can't decide 

SOLUTION: negative

PROBLEM: flight just got pushed back two and a half hours 

SOLUTION:
negative