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 was a little startled to see the manual says not to grind spices in it. I decided to do so anyway, since that's what I bought it for. I can't believe how quickly and quietly it pulverizes things like flax seeds.

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