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 the price, it's the best camera I've ever owned. I use window's xp, it hooked right up with no new software. It rocks !

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