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

Input:
Works Great for My FZ18. This Filter had been On My Cam Always.
A Perfect lens with no Vignating , and no Distortion.
A Perfect Must Have

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