A young man is doing metal work while sitting on a bench in the street.
A young man is working
A young man who sitting on a bench was working in the street.
exists e1 e2 s1 x1 x2 x3 x4 x5.(n_street(x5) & while(e1,e2) & in(e2,x5) & on(e2,x4) & n_bench(x4) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_work(x2) & of(x2,x3) & n_metal(x3) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1.(Actor(e1,x1) & v_work(e1) & n_man(x1) & a_young(s1) & Theme(s1,x1))