A woman in a sundress walks a small dog on a city sidewalk.
A person walking outside.
Since city sidewalks are not in buildings, that the person is outside is implied.
exists e1 s1 x1 x2 x3 x4 x5.(Theme(e1,x3) & Actor(e1,x1) & v_walk(e1) & on(x3,x4) & n_sidewalk(x4) & of(x4,x5) & n_city(x5) & n_dog(x3) & a_small(s1) & Theme(s1,x3) & in(x1,x2) & n_sundress(x2) & n_woman(x1))
exists e1 s1 x1 x2.(a_topic(x1) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_person(x1))