Please choose the correct ending to complete the given sentence: Building sandcastles: Four kids are outside in the beach playing in the sand, two boys on the left and two girls on the right. The girls have about six sand castles and a large circle surrounding it filled with water. they

Ending1: go paddling around inside the circle and break up to join the kids paddling on the sand circle. Ending2: begin to move at a brisk pace, while making little swings, throwing the sand castles one by one. Ending3: see red and blue kites flying behind them, and see a canyon in front of them. Ending4: then take off running to the beach to grab more water as the boy comes and looks at their work.

Answer format: ending1/ending2/ending3/ending4