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

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

A. chlorine molecular entity(?x)
B. halide(?x)
C. halogen molecular entity(?x)
D. carbon group molecular entity(?x)

Answer: halogen molecular entity(?x)