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

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

A. inorganic cation(?x)
B. polyatomic cation(?x)
C. monoatomic cation(?x)
D. divalent inorganic cation(?x)

Answer: inorganic cation(?x)