A small dog standing in the middle of the street.
A cat is drinking milk.
A cat and a dog are different animals.
exists s1 x1 x2 x3 x4.(n_street(x4) & n_middle(x3) & a_topic(x1) & in(x1,x3) & of(x3,x4) & n_standing(x1) & of(x1,x2) & n_dog(x2) & a_small(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_drink(e1) & n_milk(x2) & n_cat(x1))