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 use it when I'm on the treadmill...light, comfortable, and easy to adjust, Fits my needs perfectly. I like it better than earbuds.

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