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

Input:
I have a Screwpull corkscrew that I love.
Wanting a backup, I bought the same model.
It was more difficult to work than its
predecessor.

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