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:
There are far less expensive can openers out there but none better. A great functioning unit, it's built like a Swiss watch. I bought one for myself and 2 to give as Christmas gifts.

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