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:
Got this lens for pics I plan on taking of my kids and vacation.
PLEASE BE AWARE that you need a AF-S for automatic focus on a Nikon D40.
This lens does focus well,just not what I expected.

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