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

Input:
This UV filter renders the Rokinon 85mm f/1.4 useless because of the noticeable glare it produces. I gave it away to my friend who uses it only for protection.

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