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.

Example Input: @Tamm  - Senna-the-unblocker is yours to borrow as long as I have her back by ... oh, say - May 1st?  
Example Output: positive

Example Input: landed in DC and collected bags. Vacation is way over 
Example Output: negative

Example Input: How time flys...this is it - TWEAT #500...back to business now that that milestone is over 
Example Output:
positive