Please choose the correct ending to complete the given sentence: Slacklining: Two men are seen walking on a sidewalk and then talking inside a building, and then on a roof attaching equipment with ropes and pulleys. the street

Ending1: is shown with all of the cars far below and one of the men is looking down from the roof. Ending2: men together help lay down tiles while others move around the area. Ending3: is then seen with a car present, a man walks on the street carrying in a bag the thing on his head and poses to the camera. Ending4: continues with several individuals speaking to the camera and several buildings being shown outside.

Answer format: ending1/ending2/ending3/ending4