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

The property 'in branching relationship with' applies to instances of 'material entity', and 'anthropogenic litter' is a subclass of 'material entity'. Which class can appear as the value of 'in branching relationship with' for instances of 'anthropogenic litter'?

A. material entity
B. mutagen
C. refrigerant
D. Bronsted acid

Answer: material entity