Please choose the correct ending to complete the given sentence: Skateboarding: . a young man in a brown hoodie and cargo pants

Ending1: is standing at a blackjack table, a dealer is seated on a black leather chair behind him, and a dealer is dealing blackjack. Ending2: prepares to mount a high rope in a large ice arena. Ending3: stands outside with his hand out to the side. Ending4: is standing on a road in a forested area, instructing viewers as he holds onto the end of a skateboard.

Answer format: ending1/ending2/ending3/ending4