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: Off to bed.. Lets hope iPhone OS 3.0 is released tomorrow! 

SOLUTION: positive

PROBLEM: @shuttler aye I keep logging into LotrO, struggling with a Quest or 2 and then logging out again 

SOLUTION: negative

PROBLEM: @ricowyder It was such a pleasure meeting you last evening! Me moving from tech to aviation and you the other way round is fun 

SOLUTION:
positive