A brown dog is running in the sand.
A cat is licking his tail.
A dog and a cat are different animals.
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 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_lick(e1) & n_tail(x2) & of(x2,x1) & n_male(x1) & n_cat(x1))