Instruction: Carefully assess the user's review for any strong expressions of sentiment, either positive or negative. Based on your analysis, select the most fitting sentiment option from the provided list as output.

Input:
This works perfectly well and is easy to assemble. However, it baffles me that screws are not included in the package and thus I must purchase them separately.

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