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:
I got this for Christmas and really love it.  It is very simple to use and having the dock included is a great deal.  I have only had one challange - that is sometimes the dock gives and error with no rhyme or reason.

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