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

Input:
I really liked the design of this product - from the color coded outlets to the unit's plug which was elegantly turned at an angle. But 14 months after I purchased it it stopped working. The light on the unit comes on, but it just stopped putting out power. I would definitely not recommend.

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