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

Which of the following classes does '"Clay soil dropped from sky to form hill."' belong to? Context: "Terminal motif A963.9"

A. "Winds caused by flapping wings."
B. "Mountains from stones (soil, sand) dropped or thrown."
C. "Why animals shed periodically."
D. "Sky-god."

Answer: "Mountains from stones (soil, sand) dropped or thrown."