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 don't know if these headphones were worth the money.  Sure, they're comfortable, but bulkly, lacking in power (but it is more crisp than the MDR V200s they replaced).  i need some freakin' bass...maybe i'll just buy some REAL studio headphones.

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