Please choose the correct ending to complete the given sentence: Fixing the roof: We see a man working on a piece of equipment. The man heats the caulk and scrapes it off. the

Ending1: screen flashes and the man puts on new caulk. Ending2: man then scrapes it back on again. Ending3: man finishes and unscrews the safety ring to remove the hook. Ending4: man rinses the metal when he's done.

Answer format: ending1/ending2/ending3/ending4