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

The property 'participant' applies to instances of 'Change', and 'Initiation' is a subclass of 'Change'. Which class can appear as the value of 'participant' for instances of 'Initiation'?

A. Plan
B. Physical Object
C. Thing
D. Mental Object

Answer: Thing