Instruction: Given the user's review, identify the user's sentiment from the listed options. Answer using one of the options.

Input:
OK sound quality, and not very comfortable for my midget-sized head. Based on the reviews I was hoping for better, but it's adequate for most people. The ear buds that came with my phone have better bass expression.

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