Instruction: Carefully assess the user's review for any strong expressions of sentiment, either positive or negative. Based on your analysis, select the most fitting sentiment option from the provided list as output.

Input:
We got the Koss USB Headset w/ Microphone to replace the ones that came with Rosetta Stone that had stopped working after many years of use. We've had no problems. The sound quality is good, and the microphone picks up voices clearly.

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