Task: Property Constraint Reasoning (ontology: Arts_Media_Entertainment/Propp)

The property 'hasBrother' applies to instances of 'Sibling', and 'Brother' is a subclass of 'Sibling'. Which class can appear as the value of 'hasBrother' for instances of 'Brother'?

A. Brother
B. "Clergyman's Words Repeated"
C. "Color of baboon."
D. "The Clever Boy"

Answer: Brother