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: just found his wallet after having it go missing for three days 
Example Output: positive

Example Input: i knew going out last night was a bad idea. i've had the worst hangover all day and got fuck all revision done 
Example Output: negative

Example Input: Installing IE8 hope it will be better than the latest ones 
Example Output:
positive