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:
Bought these about a month or so ago because I was looking for a replacement for the standard iPOD ear buds, and I really wanted ones with some decent response. After some research, I chose these. After use with a variety of music types, EQ settings and the like, they pretty much have WORSE bass response than the earbuds that came with the iPOD.

Otherwise the sound quality is good, and they have a nifty carrying case...but...I'm not using them.

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