Please choose the correct ending to complete the given sentence: Building sandcastles: We see a man and a boy playing in the sand. the man

Ending1: gathers sand and the boy pins his shirt. Ending2: fills he bucket and dumps it out. Ending3: uses a stick to teach the boy to remain afloat. Ending4: throws the man the frisbee.

Answer format: ending1/ending2/ending3/ending4