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: at work ready to go 

SOLUTION: negative

PROBLEM: @briansexton I love Cobra dreams 

SOLUTION: positive

PROBLEM: Today is the first day it hasn't rained at all in like 3 weeks. That's got to be some kind of good sign  4 HOURS!!

SOLUTION:
positive