Task: Property Constraint Reasoning (ontology: Earth_Environment/EnvironmentOntology)

The property 'biotically interacts with' applies to instances of 'material entity', and 'environmental material' is a subclass of 'material entity'. Which class can appear as the value of 'biotically interacts with' for instances of 'environmental material'?

A. aetiopathogenetic role
B. rate
C. material entity
D. pharmaceutical

Answer: material entity