Instruction: Assess the user's sentiment in the provided review and select the appropriate sentiment option from the list as the answer.

Input:
Installed two in a master bathroom, powered by a SMSL SA50 50WX2 amp hidden under the sink.  Sounds great with an iPod plugged in via a headphone to L/R RCA cable.

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