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

Input:
Works as advertised. It is a good accessory for the Canon EF 50mm f/1.8 II Standard AutoFocus Lens. Worth the few extra dollars.

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