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:
Excellent medicine ball. I already had one, bought another to use at a different location. Not much I can say about it other than it's a great ball, at a great weight.

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