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

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

A. "Misunderstanding Because of Ignorance of a Foreign Language"
B. "Magic cure by bathing in milk."
C. Brother
D. "The Trial of the Crow by the Eagle"

Answer: Brother