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

Input:
What is there to say about filters. They work very good...but this is a great way to shop and you get exactly what you are looking for. So often the stores are out.

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