Instruction: Given the user's review, identify the user's sentiment from the listed options. Answer using one of the options.

Input:
These look great and were highly recommended.  The flaw: they easily bend when I am measuring things like flour and sugar.  I will use them until they break, but will find a sturdier set next time.

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