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

Input:
I got this for sun protection when swimming outside in the summer. Does exactly what I needed. It is not waterproof so your hair does get wet. But I knew that going in so didn't mind.

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