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

Suppose an individual ?x satisfies: cadmium atom(?x). Which conclusion is one valid inferred conclusion?

A. zinc group element atom(?x)
B. chromium group element atom(?x)
C. yttrium atom(?x)
D. cobalt group element atom(?x)

Answer: zinc group element atom(?x)