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

Which of the following classes does '"Travelers to other world must not look back."' belong to? Context: "Terminal motif C331.2"

A. "Tabu travelling to otherworld."
B. "Interdiction violated."
C. "Loss of wife as punishment for breaking tabu."
D. "Tabu: looking back."

Answer: "Tabu: looking back."