Task: SWRL-based Rule Reasoning (ontology: Earth_Environment/OBOE)

Suppose an individual ?x satisfies: Kilohertz(?x). Which conclusion is one valid inferred conclusion?

A. Milliliter(?x)
B. YardSquared(?x)
C. CentimeterCubed(?x)
D. Derived Unit(?x)

Answer: Derived Unit(?x)