Task: Question Understanding
Input (English): Question: During a rainstorm, leaves wash down a gully on a hillside. The water slows down at the foot of the hill and fans out, depositing the leaves. What geologic structure is formed in a similar way? (A) a basalt column (B) a stalactite (C) a fault line (D) a delta?
Output (English): wash, water, foot, fans, depositing, leaves., geologic, structure, formed