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

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

A. Artwork
B. Guarantor
C. Contributor
D. Paper

Answer: Contributor