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 are the best headphones ever for something lightweight and un-encumbersome. They fit your ears like nice earbuds, but stay on your head with the security of normal headphones, and all with Sony quality sound and portability.

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