Please choose the correct ending to complete the given sentence: Fixing the roof: A video of how to prevent rv roof leaks is shown, there is a roof of an rv and a man cleaning the glue around the leak. man

Ending1: is showing how to iron a thin piece of metal. Ending2: is sitting in a dark room clearing section of the roof with his rod. Ending3: is mopping the back of the rv and washing ice from the roof. Ending4: is putting white glue around the leak.

Answer format: ending1/ending2/ending3/ending4