Please choose the correct ending to complete the given sentence: Skateboarding: A young man in a black outfit performs a double trick by grinding down one railing and jumping down a staircase. a man in a purple sweatshirt

Ending1: fastens a metal bar to a railing while a kid in a red shirt watches and bends down to grab the bar. Ending2: slams down a couple of bells sucking out the flashlight. Ending3: is practicing with the grid. Ending4: grinds down a staircase railing.

Answer format: ending1/ending2/ending3/ending4