Instruction: Carefully assess the user's review for any strong expressions of sentiment, either positive or negative. Based on your analysis, select the most fitting sentiment option from the provided list as output.

Input:
Works like a champ for keep that extra sharp edge on my knives just before I start cooking dinner. Everyone needs a bit of steel in their knife block!

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