Please choose the correct ending to complete the given sentence: Fixing bicycle: The man demonstrates how the levers sit and adjusts the brake levers. The man demonstrates the sitting positions and braking and screws them tight. the man

Ending1: open the seat into three sections and puts both of his legs on either quarter stick. Ending2: points to inches of the seat. Ending3: then, and adjusts the shifter lever. Ending4: walks around the car shooping off the atv's.

Answer format: ending1/ending2/ending3/ending4