A man in a black shirt is doing metal work outdoors.
a man prepares to build something for his house out of metal
Just because a man is doing metal work outdoors it does not mean he is preparing to build something for his house.
exists e1 s1 x1 x2 x3 x4 x5.(Theme(e1,x3) & Actor(e1,x1) & v_do(e1) & n_outdoors(x3) & of(x3,x5) & n_work(x5) & of(x3,x4) & n_metal(x4) & in(x1,x2) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists e1 p1 x1 x3.(Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2 x2 x4.(of(e2,x4) & n_metal(x4) & r_out(e2) & Theme(e2,x2) & Actor(e2,x1) & v_build(e2) & for(x2,x3) & n_thing(x2)) & n_house(x3) & of(x3,x1) & n_male(x1) & n_man(x1))