Please choose the correct ending to complete the given sentence: Assembling bicycle: A lot of people are walking by the subway in an open area. men

Ending1: buy teh black boots at the box store. Ending2: are standing in front of a large box assembling a bicycle. Ending3: are walk past the group on the sidewalk. Ending4: are in front of a bullring and a man is fencing with the bull and messing with horns.

Answer format: ending1/ending2/ending3/ending4