Please choose the correct ending to complete the given sentence: Building sandcastles: Family day at the beach, father and son are walking around and then they start to play in the sand. they

Ending1: have a sand in buckets trying to build sand castles. Ending2: play with the stone stand using the sandbags and then a man comes and picks the stone out of the sand. Ending3: play a white piano and the father play the piano for the boy or daughter. Ending4: are sitting in a tent and wake boarding, then the father of the boy that is sleeping listens and laugh.

Answer format: ending1/ending2/ending3/ending4