Please choose the correct ending to complete the given sentence: Building sandcastles: Children are playing on the beach. They are building a sand castle. a girl

Ending1: is holding her brother. Ending2: dumps a bucket full of sand in front of her. Ending3: falls face first into the sand as the guy gets down on the ground and helps her. Ending4: gets stuck in the sand.

Answer format: ending1/ending2/ending3/ending4