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

The property 'attribute' applies to instances of 'PhysicalObject', and 'Container' is a subclass of 'PhysicalObject'. Which class can appear as the value of 'attribute' for instances of 'Container'?

A. Attribute
B. Product
C. Intangible
D. Collection

Answer: Attribute