Please choose the correct ending to complete the given sentence: Building sandcastles: . a man in gray suit outside the building, wearing red necktie

Ending1: , has headphones on, talking. Ending2: is talking in front of the camera while cars behind him are passing by. Ending3: then walks an ank form, stand with a hand extended while talking, then passes blowing the smoke. Ending4: is doing a marketing presentation.

Answer format: ending1/ending2/ending3/ending4