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

Input:
I love these headphones. The quality of the sound is enough to make me chase this gadget all across cyberspace, because my iPod is utterly useless without them.

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