A brown dog is running in the sand.
A large dog is chasing after his owner.
A brown dog does not imply a large dog. A dog could be running for many reasons, not just because it is chasing after its owner.
exists e1 s1 x1 x2.(n_sand(x2) & in(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(after(e1,x2) & n_owner(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_chase(e1) & n_dog(x1) & a_large(s1) & Theme(s1,x1))