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:
The Canon NB-2L is an OK battery, however, you can do much better by purchasing an aftermarket product.  Specifically, Sterlingtek makes a replacement with a rating of 1100mah which is almost double that of the Canon's.  The price on the Sterlingtek is only $19.99 (shipping is $6.99 but is free for orders over $60). The price difference is more than just a "few bucks" as another review claimed.  Their web site is [...]

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