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

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

A. alkaline earth coordination entity(?x)
B. alkali metal molecular entity(?x)
C. alkaline earth molecular entity(?x)
D. alkaline earth salt(?x)

Answer: alkaline earth molecular entity(?x)