Instruction: Carefully assess the user's review for any strong expressions of sentiment, either positive or negative. Based on your analysis, select the most fitting sentiment option from the provided list as output.

Input:
This protection filter fits my Cannon T3i lenses perfectly. The pics are not affected by attaching the filter, but it does protect my lens nicely against dust and water drops if any. Definitely a must buy for the costly lenses.

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