Please choose the correct ending to complete the given sentence: Fixing the roof: Man is standing on a rooftop putting polymer asphalt. men

Ending1: are unrolling the paper on the floor. Ending2: are sitting on rooftop holding aluminum paper towels to clean the tar. Ending3: are walking to the machine and put the forming layer. Ending4: are on outdoor gym with male gymnazers and look at everything and pretend.

Answer format: ending1/ending2/ending3/ending4