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:
These headphones were not only affordable, but they have a great quality sound.  They are adjustable and are comfortable to wear.

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