Instruction: Determine the sentiment expressed by the user in her review from the provided choices, and respond by selecting one of the available options.

Input:
I received a automatic sharpener as a gift last christmas. This does a much better job and is easier to use. Not to mention it is also much cheaper. The automatic sharpener I would never use on my expensive knives just the cheapo ones. This sharpener I have no problems with using it on my expensive knives.

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