Please choose the correct ending to complete the given sentence: Welding: The spark belongs to a man with a torch in his hand and firing away at an object. although the room

Ending1: is empty, the wood chips off in pieces before the man finally clears the pieces using the torch. Ending2: is protected from the elements, the man is strong enough to make a torch work. Ending3: is extremely dark, when the fire ignites you can see that the building is a silver warehouse and a small fan hanging from the ceiling. Ending4: is dark, the man looks at which fire he is filming intensely.

Answer format: ending1/ending2/ending3/ending4