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

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

A. p-block molecular entity(?x)
B. carbon group molecular entity(?x)
C. main-group coordination entity(?x)
D. halogen molecular entity(?x)

Answer: p-block molecular entity(?x)