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

Input:
very expensive for a small amount of product. You can make you own by getting 100% silicone and diluting it 50% with mineral spirits. I needed a gallon of seam seal and this would have cost like 500$ for that much. Product worked great, but its jsut way too expensive to do large jobs.

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