Instruction: Analyze the user's review text and determine the overall sentiment expressed, then choose the corresponding sentiment option from the provided list (A: very positive, B: positive, C: neutral, D: negative, E: very negative) based on the identified sentiment.

Input:
I've used several sharpeners (including some of the Chef's Choice "vibrating" ones), and this is a real sharpener. It has rotating diamond disks that grind quick and accurate. I was almost able to get my set of junk Farberware Millenium knives to cut acceptably, but I think they need a bench grinder. But all the quality knives I own turned out incredibly sharp.

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