Please choose the correct ending to complete the given sentence: Building sandcastles: A man and a boy make a sand castle in the beach. People approach to watch the castle and start to make small house next the sand castle. a little girl

Ending1: enters hiding in the far shore. Ending2: start walking in the beach. Ending3: begins to build a castle on the sand castle. Ending4: is doing more houses next to the castle.

Answer format: ending1/ending2/ending3/ending4