a man walking on the side of a street.
The man is riding in a car.
The man cannot be walking and riding in a car at the same time.
exists e1 x1 x2 x3 x4.(n_side(x3) & a_topic(x1) & on(e1,x3) & of(x3,x4) & n_street(x4) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & in(e1,x2) & n_car(x2) & Actor(e1,x1) & v_ride(e1))