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

Input:
I use this almost daily to keep my kitchen knives and pocket knives sharp.
As long as your blade is not damaged or overly dull to begin with, this perfectly sized sharpener does the job terrifically (I can sharpen even my larger chef's knives to the point of being able to shave with).

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