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

Input:
I have this volume control and extension plugged into my computer.  I then plug my headset into this cord, which now allows me to adjust the volume.  I use it all the time.  Great set up.

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