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 don't know how they sell it at this price, but don't look a gift horse in the mouth. I played Quake II with it and could not believe the picture quality! I see no downside to buying this monitor.

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