Please choose the correct ending to complete the given sentence: Doing karate: Children practice martial arts blocking going forward and backward. then

Ending1: , the boy in green contour with a put a right leg. Ending2: , a woman plays tag, while the children continue to pole vault in the arena. Ending3: , the children practice kicking movements. Ending4: , a black screen appears showing the clip again and again and the blue brush.

Answer format: ending1/ending2/ending3/ending4