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:
Fits my Tamron 70-300 (A005) and my Tamron 18-270 PLZ lenses.
Cost effective way to help protect your lens investment.

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