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 mouse has all the basic features. It has a scroll wheel and it also can connect to a USB or a PS2. I like optical mouses because they never get stuck. Easy to install and really has no problems. A good reliable mouse for everyone.

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