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

Input:
Excellent sharpener.  Easy to use.  I use these to get my blades back in shape after some rough handling and then use the fine / extra fine to hone them to a razor sharp edge.

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