Task: Class Definition Understanding (ontology: Arts_Media_Entertainment/comic_book_ontology)

Which of the following definitions best describes 'Gutter'?

A. A visual frame containing part of a comics sequence.
B. A word the concept in a comics sequence containing dialogue, thought, or sound.
C. A the concept containing narration in a comics sequence.
D. The space between panels in a comics sequence.

Answer: The space between panels in a comics sequence.