Please choose the correct ending to complete the given sentence: Welding: A guy is indoors working in his garage. A guy is welding a brown, flat object. The guy lifts his black helmet. the guy

Ending1: puts their headgear back on and looks frightened. Ending2: continues welding the brick. Ending3: is wearing a black helmet. Ending4: speaks and smiles slightly.

Answer format: ending1/ending2/ending3/ending4