A boy sleeps on a car ride.
A boy is riding a bicycle.
Car and bicycle are not same.
exists e1 x1 x2 x3.(on(e1,x2) & n_ride(x2) & of(x2,x3) & n_car(x3) & Actor(e1,x1) & v_sleep(e1) & n_boy(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x2) & n_boy(x1))