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:
great acoustics.
Music: amazing for people who like nearly every genre like I do.
gaming friend loves using them.
bought a tube amp will come back to this later for a more thorough review.

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