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

Input:
Does not work properly- spiral just backs out of cork leaving cork in bottle. Not well manufactured, and given the manufacturers other reviews, I'm not even going to bother to return it.

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