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:
Love the sound (very natural, I think), pretty good isolation, they seem to be pretty durable, but they fit really tight, they're very heavy and cause pain to the ears and neck after a while. When I'm working for long periods on music at my computer, I find myself having to take breaks from them.

There's no beating the look, though. As cool as it gets.

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