Please choose the correct ending to complete the given sentence: Building sandcastles: A family is seen sitting on the beach making sand castles with a object. people

Ending1: approach the area with the object and begin pushing it around the beach. Ending2: walk down the beach with the object. Ending3: stand around to watch them work and the camera pans around the kids playing in the sand. Ending4: are going on a boat sailing away in the water.

Answer format: ending1/ending2/ending3/ending4