Instruction: Determine the sentiment expressed by the user in her review from the provided choices, and respond by selecting one of the available options.

Input:
I dig on my knees alot even though I know better and these knee pads are great, no more bruised knees and they don't limit motion and aren't too tight.

Options:
A: very positive
B: positive
C: neutral
D: negative
E: very negative
Answer: A: very positive