Brown dog jumping over a hurdle.
The brown dog is on the ground.
One cannot be on the ground and jumping a hurdle simultaneously.
exists e1 s1 x1 x2 x3.(a_topic(x1) & over(e1,x3) & n_hurdle(x3) & Actor(e1,x2) & v_jump(e1) & (x1 = x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists p1 s1 x1 x2.(n_ground(x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1) & on(x1,x2))