Write the next sentence in the following story.

A guy is indoors working in his garage. A guy is welding a brown, flat object. The guy lifts his black helmet. the guy

Options are:
[i] puts their headgear back on and looks frightened..
[ii] continues welding the brick..
[iii] is wearing a black helmet..
[iv] speaks and smiles slightly... The answer should be
[iv]