Please choose the correct ending to complete the given sentence: Doing motocross: . a guy on a motorcycle followed by other guys on motorcycles

Ending1: . Ending2: , including some cheerleaders, a rock music station and other people. Ending3: pull into a area while the first guy began to remove his helmet. Ending4: in the area walking around and counts.

Answer format: ending1/ending2/ending3/ending4