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:
My CD's were in no order and the plastic cases were really cumbersome until I purchased this CD wallet. Now everything is in order and this case takes up very little space. I should have done this years ago.

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