A black dog runs through the snow.
A brown dog is outside
black is contradictory to brown
exists e1 s1 x1 x2.(n_snow(x2) & through(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists s1 s2 x1.(Theme(s2,x1) & a_outside(s2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))