Please choose the correct ending to complete the given sentence: Skateboarding: A boy shows a skateboard and wring on his hand while standing on a bridge, then he does tricks on the road. suddenly

Ending1: , the man jump in the air and go backwards. Ending2: , a boy wearing a red t-shirt skates over a bench and landing on the road to do tricks, then a boy wearing a black shirts spins over a skateboard. Ending3: , a little girl raises her fist then follow the boy doing tricks. Ending4: , he flips to get on the board and win the game when effortlessly, he gets off again and continue skateboarding.

Answer format: ending1/ending2/ending3/ending4