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 love Microsoft's Elite keyboard and bought this one as a back-up for my current one.  Puts your hands in the most natural position and eases my carpal tunnel ailment.

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