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

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

A. Thing
B. Intangible
C. PhysicalObject
D. Material

Answer: Thing