Please choose the correct ending to complete the given sentence: Fixing the roof: Two men fix the roof of a rotten roof of a house. a man

Ending1: fixes something on the roof of a house using its shingle. Ending2: cuts a substance from the top with a cutter. Ending3: puts nails to new planks in the roof. Ending4: uses pressure to put the roof back on as he speaks.

Answer format: ending1/ending2/ending3/ending4