Please choose the correct ending to complete the given sentence: Building sandcastles: They gather sand and pack it around the center. The children across the beach are putting sand in buckets, proud of their work. a girl

Ending1: looks through the sand bucket at the camera and smiles. Ending2: runs out onto a stage when the people begin to gather. Ending3: pulls a string and is turning sand into sand into a pile of sand. Ending4: dumps sand into a large bucket.

Answer format: ending1/ending2/ending3/ending4