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

Which of the following classes does '"Origin of sweet potato."' belong to? Context: "Terminal motif A2686.4.1"

A. "Acquisition of ale."
B. "Acquisition of gold."
C. "Animal characteristics: punishment for carrying devil into paradise."
D. "Origin of edible roots."

Answer: "Origin of edible roots."