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 am a PT. I bought this one for personal use at home for my husband after a total knee replacement. DON'T accept a substitute- This is the best strap out there!

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