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

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

A. material entity
B. pesticide
C. polar solvent
D. plant structure development stage

Answer: material entity