A woman in a dress and flip-flops is walking her small dog.
There is a woman in a dress.
Since we know what a woman in a dress is doing, we also know the existence of a woman in a dress.
exists e1 s1 x1 x2 x3 x4 x5.(Theme(e1,x5) & Actor(e1,x1) & v_walk(e1) & n_dog(x5) & a_small(s1) & Theme(s1,x5) & of(x5,x1) & n_female(x1) & in(x1,x2) & subset_of(x4,x2) & n_flip-flop(x4) & subset_of(x3,x2) & n_dress(x3) & n_woman(x1))
exists p1 x1 x2 x3.((x1 = x2) & in(x2,x3) & n_dress(x3) & n_woman(x2))