Task: Property Constraint Reasoning (ontology: Legal/LKIF_Core_Ontology)

The property 'played by' applies to instances of 'Role', and 'Function' is a subclass of 'Role'. Which class can appear as the value of 'played by' for instances of 'Function'?

A. Thing
B. Propositional Attitude
C. Proposition
D. Agent

Answer: Thing