A brown dog is running.
The dog is not walking.
The dog running implies it is moving at a faster speed than walking.
exists e1 s1 x1.(Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists x1.(n_dog(x1) & -exists e1.(Actor(e1,x1) & v_walk(e1)))