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:
For years, I have been stapling my workbooks. This year. with the ability to use the binding combs, I was able to print two sides and save papers. The binding combs work perfect in assembling the workbooks and allow the workbooks to lay flat.

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