Instruction: Determine the sentiment expressed by the user in her review from the provided choices, and respond by selecting one of the available options.

Input:
I first bought these headphones over a year ago. I was pleased with the quality of the sound. I thought this was a good deal. Six months later, it started playing through just one side. But wait, you say! These have a lifetime warranty so it's no trouble, you say! Yeah, only I paid to have the broken headphones shipped to the replacement center (AND I had to send a money order along with it so that they could ship them back). Now, with my replacement headphones, they're doing the same thing after only a few months! I won't be paying money to get ANOTHER replacement pair. It's just not worth it anymore. Do not buy these headphones.

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