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:
This battery worked great in my camera.  My old battery was lasting less than a day. This battery took me through over have of my vacation with lots of use before I need to recharge it. Great deal!

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