Please choose the correct ending to complete the given sentence: Skateboarding: Old man is talking to the camera in a skate park skating and doing tricks. men

Ending1: are in an alternate location skating. Ending2: are talking on motorcycles in a skate park. Ending3: are talking to the camera in a skate park talking. Ending4: are standing behind the old man skating.

Answer format: ending1/ending2/ending3/ending4