Please choose the correct ending to complete the given sentence: Welding: A guy is in his garage. The guy uses a welding tool. the guy

Ending1: stops using the welding tool. Ending2: is welding with a big metal rod. Ending3: puts new bolts in and adds concrete. Ending4: reaches under a tarp and pulls out a welding tool.

Answer format: ending1/ending2/ending3/ending4