Please choose the correct ending to complete the given sentence: Assembling bicycle: Men are standing in front of a large box assembling a bicycle. The man put own the bike and start assembling a new one. men

Ending1: put the other bike down and is putting them the remaining screws and parts on the floor. Ending2: are shown walking to red course with cars and speaking to the camera. Ending3: are standing on the ladder assembling the new bike. Ending4: is standing in front rezip change the top level of the bike.

Answer format: ending1/ending2/ending3/ending4