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:
This product is horrible,  the backing doesn't come off. Wanted to send it back but the cost is as much as the tape, now I'm stuck with something I can't use!!!

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