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:
Excellent speakers.  I am experiencing some occassional popping but I'm not sure if that's from my lap top where the music is stored or from the speakers.

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