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

The property 'panel' applies to instances of 'Sequence', and 'Balloon' is a subclass of 'Sequence'. Which class can appear as the value of 'panel' for instances of 'Balloon'?

A. Panel
B. Imprint
C. Issue
D. Object

Answer: Panel