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

Input:
This product wasn't easy to use, and you had to pump the produced for about 20-30 times before there was resistance.  And then with spraying I only got about 5 seconds worth of oil out.  I would not purchase this again and I may return it.

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