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: Had a lovely time having big adventures in Sydney, shame I'm back at work

SOLUTION: negative

PROBLEM: [Link] "Off to look at #Python books, along with the USUAL weekly shop. Computer book s ...

SOLUTION: positive

PROBLEM: hoping @artsamaniego can help me get an open-line htc android phone - now that'd be best!

SOLUTION:
positive