Instruction: Carefully assess the user's review for any strong expressions of sentiment, either positive or negative. Based on your analysis, select the most fitting sentiment option from the provided list as output.

Input:
need i say more?? the teflon coating, which is poisonous, flakes off in big chunks. i am not buying any more teflon products.

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