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

The property 'utterer' applies to instances of 'Communicated Attitude', and 'Assertion' is a subclass of 'Communicated Attitude'. Which class can appear as the value of 'utterer' for instances of 'Assertion'?

A. Agent
B. Action
C. Medium
D. Qualified

Answer: Agent