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

The property 'countersigned by' applies to instances of 'Legal Resource', and 'Legal Resource Subdivision' is a subclass of 'Legal Resource'. Which class can appear as the value of 'countersigned by' for instances of 'Legal Resource Subdivision'?

A. Expression
B. Legal value
C. Resource type
D. Agent

Answer: Agent