The dog walks on the high plank.
The dog is about to leap into the water.
Just because a dog walks on a high plank does not mean he is about to leap into the water.
exists e1 s1 x1 x2.(n_plank(x2) & a_high(s1) & Theme(s1,x2) & n_dog(x1) & on(e1,x2) & Actor(e1,x1) & v_walk(e1))
exists p1 s1 x1 x2.(n_water(x2) & n_dog(x1) & Topic(s1,p1) & Actor(s1,x1) & a_about(s1) & exists e1.(into(e1,x2) & Actor(e1,x1) & v_leap(e1)))