A boy is on a bicycle, and there is a girl on the back of it with an umbrella.
A boy is driving a car.
Boy is either driving a car or bicycle.
exists p1 p2 x1 x2 x5.(n_back(x5) & exists x4 x6.((x2 = x4) & on(x4,x5) & with(x5,x6) & n_umbrella(x6) & of(x5,x1) & n_girl(x4)) & n_thing(x1) & exists x3.(on(x1,x3) & n_bicycle(x3)) & n_boy(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_drive(e1) & n_car(x2) & n_boy(x1))