Multi-select: Knowing that "wind carries sand from one place to another place", how would one answer "What most likely caused the castle built by children at the beach to disappear?"

Available choices: -a cat ran off with it -a dog carried it away in its mouth -someone cast a magic spell on it -very strong eddies of fast moving air carried it away over time...A:
very strong eddies of fast moving air carried it away over time