Ladies talking in an airport.
the dogs ate fish
Subject could be either dogs or ladies.
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_airport(x3) & Actor(e1,x2) & v_talk(e1) & (x1 = x2) & n_lady(x1))
exists e1 x1 x2.(n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_fish(x2))