A dog jumps over a pile of logs.
The dog is jumping.
dog jumps is same as dog is jumping
exists e1 x1 x2 x3.(over(e1,x2) & of(x2,x3) & n_log(x3) & n_pile(x2) & Actor(e1,x1) & v_jump(e1) & n_dog(x1))
exists e1 x1.(n_dog(x1) & Actor(e1,x1) & v_jump(e1))