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

Input:
Bought these photo mounts for a wedding guest book last minute.  If I had time, I would have ordered different ones. The corners come in different sizes because they aren't cut properly.  Because they are sticky, it is hard to put photos in them.

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