Please choose the correct ending to complete the given sentence: Building sandcastles: A group of friends are at the beach. They walk around gathering up sand. they

Ending1: pile it into balls and throw it onto the beach. Ending2: are then given a yellow kite and running back. Ending3: create a design in the sand. Ending4: are shredding it in strips.

Answer format: ending1/ending2/ending3/ending4