Please choose the correct ending to complete the given sentence: Plataform diving: A group of kids gather at the top of a high dive. they

Ending1: jump off one by one, landing in the water below. Ending2: begin a series of colorful gymnastic stunts with sand. Ending3: form a line, running forward and then lying on the ground. Ending4: hold and practice an impressive jump.

Answer format: ending1/ending2/ending3/ending4