Instruction: Determine the sentiment expressed by the user in her review from the provided choices, and respond by selecting one of the available options.

Input:
We received this product just over a month ago, and it has already broken.  The white gasket around the blade came apart.  I use the product to make smoothies, usually one per day.

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