Two men in protective gear weld with bright sparks.
The men are making car parts.
The men don't have to be making car parts to weld with bright sparks.
exists s1 s2 x1 x2 x3 x4.(a_topic(x1) & with(x1,x4) & n_sparks(x4) & a_bright(s2) & Theme(s2,x4) & in(x1,x2) & n_weld(x2) & of(x2,x3) & n_gear(x3) & a_protective(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_part(x2) & of(x2,x3) & n_car(x3))