A large dog chases a small dog on the sand.
Two dogs are running on a beach.
Just because the dogs are running on sand does not mean they are on the beach.
exists e1 s1 s2 x1 x2 x3.(n_sand(x3) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & on(x2,x3) & n_dog(x2) & a_small(s2) & Theme(s2,x2) & n_dog(x1) & a_large(s1) & Theme(s1,x1))
exists e1 x1 x2.(on(e1,x2) & n_beach(x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))