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

Which of the following classes is the superclass of '"Animal sinks into earth."'?

A. "Swallowed by earth."
B. "Disappearance by earthquake."
C. "Extraordinary circumstances of disappearance: Earthquake"
D. "Extraordinary underground (underwater) disappearance--miscellaneous."

Answer: "Extraordinary underground (underwater) disappearance--miscellaneous."