A spotted dog jumps over a muddy creek.
A horse jumps over a creek.
if it is a horse, it cannot be a spotted dog.
exists s1 s2 x1 x2 x3.(a_topic(x1) & over(x1,x3) & n_creek(x3) & a_muddy(s2) & Theme(s2,x3) & n_jump(x1) & of(x1,x2) & n_dog(x2) & a_spotted(s1) & Theme(s1,x1))
exists e1 x1 x2.(over(e1,x2) & n_creek(x2) & Actor(e1,x1) & v_jump(e1) & n_horse(x1))