Please choose the correct ending to complete the given sentence: Doing motocross: A man rides a bmx dirt bike next to a tree. he

Ending1: takes off his helmet to talk. Ending2: stands up and poses, showing off his beautiful bike. Ending3: stands up and smokes a cigarette on the dirt and grass of a park. Ending4: wearing a white uniform swings his legs and ride the dirt bike until he reaches the finish line.

Answer format: ending1/ending2/ending3/ending4