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:
Bought it primarily for trips. My first experience with CBs, Will probably buy another one for other car. Definitely works much better with roof mounted antenna. Use it with Lil Willie magnetic mount antenna.

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