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:
Can't get enough of these great books! Love all of them so please don't stop writing the series! THe characters are fabulous and how you describe the details makes you feel like your right there with them! Amazing! Thank you!

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