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

Input:
I absolutely love this product. I wear prescription sunglasses, but need my regular prescription glasses when I'm not outside. I ride a motorcylcle and by using this case my prescription glasses are always protected and the case can be easily attached to a belt loop on my jeans or wherever I need to carry them.

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