Task: SWRL-based Rule Reasoning (ontology: Sciences/Biology)

Suppose an individual ?x satisfies: 3-oxo-Delta(4)-steroid group(?x). Which conclusion is one valid inferred conclusion?

A. cyclic organic group(?x)
B. nucleoside residue(?x)
C. organic group(?x)
D. nucleotide residue(?x)

Answer: organic group(?x)