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

Input:
This case is very durable and easy to use.  It wouldn't be simple to remove a middle page, but otherwise it's lightweight, durable, and portable (what I wanted).

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