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

Input:
Have have purchased the J1, J2, and now the J3's.  The J3's are the worst.  Feedback on a headphone cable and lack of bass make them almost unusable while moving.  Save your money and buy the J2's.

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