You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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.

@justinchuan Awww! I was thinking about you lot up there! Glad you enjoyed it
Solution: positive
Why? There is an expression of happiness in this tweet text, hence we can say it's positive.

New input: @jordanknight I know 
Solution:
negative