Task: Instance Class Understanding (ontology: Arts_Media_Entertainment/Propp)

Which of the following classes does '"Heaven-mother--earth-father."' belong to? Context: "Terminal motif A625.1"

A. "Origin and nature of earth and sky."
B. "Origin of the world."
C. "Origin and nature of the world--miscellaneous."
D. "World parents: sky-father and earth-mother as parents of the universe."

Answer: "World parents: sky-father and earth-mother as parents of the universe."