A man in a green shirt and blue jeans is welding.
a man welds something
With no exceptions, when a person is welding, that person welds.
exists e1 s1 s2 x1 x2 x3 x4.(Actor(e1,x1) & v_weld(e1) & in(x1,x2) & subset_of(x4,x2) & n_jeans(x4) & a_blue(s2) & Theme(s2,x4) & subset_of(x3,x2) & n_shirt(x3) & a_green(s1) & Theme(s1,x3) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_weld(e1) & n_thing(x2) & n_man(x1))