A woman and child walking by a building.
A woman walking alone near a forest.
The woman and child are walking by a building, not a woman walking alone near a forest.
exists s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & by(x2,x4) & n_building(x4) & n_walking(x2) & of(x2,x3) & n_child(x3) & subset_of(x1,s1) & n_woman(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & near(e1,x3) & n_forest(x3) & a_alone(s1) & Manner(e1,s1) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_woman(x1))