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

Input:
I need to return these....they are not real leather.....how do I do that?  Seems the SMALL 'return window' has passed....I was lead to believe they were real leather and not happy.....

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