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

Which of the following classes does '"Ariadne-thread."' belong to? Context: "Terminal motif R121.5"

A. "Captivity in tower (castle, prison)."
B. “Greek Mythology”
C. “Magic Threads and Fabrics”
D. "Means of rescue from prison."

Answer: "Means of rescue from prison."