Instruction: Given the user's review, identify the user's sentiment from the listed options. Answer using one of the options.

Input:
This is a nice product. I have combined this Monster toslink cable with an Audioquest 3.5mm adapter to connect my MAC to the toslink in on an external DAC.

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