Instruction: Assess the user's sentiment in the provided review and select the appropriate sentiment option from the list as the answer.

Input:
Packaging says that the brackets are 16 inches and are made for 16 inch shelves and some 12. The brackets actually measure just over 18 inches.

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