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've tested it with my keyboard, mouse, and iPhone charger and had no problems whatsoever with any of them. I have no complaints, it was cheap and works as stated.

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