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

Which of the following classes does '"Riddle: black and white horses chasing each other."' belong to? Context: "Terminal motif H722.2"

A. "Riddle of the day and night."
B. "Riddle regarding animals."
C. "Riddle of dates."
D. "Riddle: which horse is faster?."

Answer: "Riddle of the day and night."