A yellow motorcycle drives down the road.
A yellow motorcycle is speeding.
Not all motorcycles are speeding.
exists s1 x1 x2 x3.(n_road(x3) & a_topic(x1) & down(x1,x3) & n_drive(x1) & of(x1,x2) & n_motorcycle(x2) & a_yellow(s1) & Theme(s1,x1))
exists e1 s1 x1.(Actor(e1,x1) & v_speed(e1) & n_motorcycle(x1) & a_yellow(s1) & Theme(s1,x1))