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:
Fantastic little device. Far more effective on our knives than I was doing it by hand. One sharpen put 3 year old blades back to a new slice. Would definitely recommend to anyone who needs a sharp set of knives on hand- even if you only use it once a year

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