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:
Trays are way too fragile.  I bought this and used it about 5 times before one tray cracked and broke due to the heat.  Trays are made from cheap plastic and break easily.

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