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:
Liked the design. Cooks slowly. Timer was defective. No service centers in Pittsburgh area! Had to mail back to California, because I bought it as a gift and didn't open it and test it before the 30-day return period was up. Not sure I'd recommend this or any Sanyo small appliance.

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