Please choose the correct ending to complete the given sentence: Fixing the roof: After preparing the pipe, the man puts some rubber compound around the pipe and attaches a new gasket. the video

Ending1: ends with a closing caption shown on the screen. Ending2: ends with the words " just in case! " overlaid. Ending3: is moving towards the final product. Ending4: ends and everyone except for the man is shown smoking again.

Answer format: ending1/ending2/ending3/ending4