A dog jumps over a barrier.
The dog is chewing his bone on the bed.
The dog can't be on the bed if it jumps over barrier.
exists e1 x1 x2.(over(e1,x2) & n_barrier(x2) & Actor(e1,x1) & v_jump(e1) & n_dog(x1))
exists e1 x1 x2 x3.(n_bed(x3) & n_bone(x2) & of(x2,x1) & n_male(x1) & n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_chew(e1) & on(x2,x3))