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

Input:
Sticks horribly! I let it heat up for 10 minutes and then spray it with a non stick spray and I can barely get it open and the waffles come open in several pieces - if at all.

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