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

Input:
Worked just as described in the instructions. I had no difficulty installing the lenses. I used lens defogger during each of 8 dives recently in Cozumel and they stayed in place just fine. Recommended.

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