Instruction: Assess the user's sentiment in the provided review and select the appropriate sentiment option from the list as the answer.

Input:
This can opener is great. I had always had problems with other can openers rusting or not working after just a few months, but not with this one. It's so easy to use and opens cans easily in a flash. Would definitely recommend.

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