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

Input:
It was built by Olympus and for Olympus.  It has worked perfectly under all conditions.  Olympus has operating perameters for you to stay within (but who doesen't)such as direct sunlight, limited distance and angles, etc.  As long as you read the simple instructions, you can't go wrong.

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