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:
Protects your lens from scratches without altering the image as it's intended to do, at a reasonable price to boot. You should have one of these on every lens you own, just be sure to get the right size. Much cheaper to replace a sky filter than a scratched lens.

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