A solitary pedestrian walks through the downtown area.
A person walks downtown.
A downtown area is downtown.
exists e1 s1 x1 x2 x3.(n_area(x2) & of(x2,x3) & n_downtown(x3) & through(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_pedestrian(x1) & a_solitary(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_downtown(x2) & n_person(x1))