Instruction: Analyze the user's review text and determine the overall sentiment expressed, then choose the corresponding sentiment option from the provided list (A: very positive, B: positive, C: neutral, D: negative, E: very negative) based on the identified sentiment.

Input:
I bought this a a local big box retailer, price matching with Amazon. The thing simply doesn't work. The probe registered 50 degrees in the middle of my roast, while my instant read read 120. Had my wife not noticed, the roast would have been ruined while I waited for it to reach the correct temperature.

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