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:
Unfortunately, I did not use this product until it was past due the return date. It worked approximately 6 times, and then simply froze up. It's now a $40 doorstop in my house.

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