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: @SarahSaner Hi Sarah! Weï¿½re always passing each other by... 

SOLUTION: positive

PROBLEM: Adam said I run like Carl Fredrickson aka the old man from Up 

SOLUTION: negative

PROBLEM: @Gailporter Lovely photo and great job on the gadget show 

SOLUTION:
positive