A smiling black man is standing on the street.
A person is on the street.
A person is smiling on the street while standing
exists e2 e1 s1 x1 x2.(n_street(x2) & on(e2,x2) & Actor(e2,x1) & v_stand(e2) & n_man(x1) & a_black(s1) & Theme(s1,x1) & Actor(e1,x1) & v_smile(e1))
exists p1 x1 x2.(n_street(x2) & on(x1,x2) & n_person(x1))