Please choose the correct ending to complete the given sentence: Building sandcastles: Kids are running in the outside and pulling a cart into a sandy beach. the two girls and a kid

Ending1: are doing a sandcastle on seashore. Ending2: go up a hill holding a rope and picked up sand. Ending3: are then talking to the camera and doing activities in bikinis. Ending4: open the gate and are thrown over the fence onto the beach.

Answer format: ending1/ending2/ending3/ending4