Please choose the correct ending to complete the given sentence: Building sandcastles: A woman on a beach begins to build a sand castle. a man

Ending1: then comes and paper towels to create a kind of dragon flag that flies in the brisk wind in the background. Ending2: and a girl begin to build various castles together in their backyard while people go to the beach. Ending3: comes over and begins to build the sand castle with her. Ending4: comes and picks up the sand castle.

Answer format: ending1/ending2/ending3/ending4