A woman walks near a house.
A woman is at the zoo.
A zoo is not a house.
exists e1 x1 x2.(near(e1,x2) & n_house(x2) & Actor(e1,x1) & v_walk(e1) & n_woman(x1))
exists p1 x1 x2.(n_zoo(x2) & at(x1,x2) & n_woman(x1))