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: turned this day around. feeling good 

SOLUTION: positive

PROBLEM: hm, I guess I have been silent for the past few days... sorry 

SOLUTION: positive

PROBLEM: change to TwitVim, it is better to use 

SOLUTION:
positive