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:
This filter is great, it does absolutely nothing, which is just what I want.  I screwed it onto the end of my nikor 18-200mm vr lens and it fits perfectly and prevents dust from getting on my actual lens so i can clean the filter with no worries.

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