A woman with a dog canoe down a river.
A cat is in a car.
The animal cannot be a cat and dog simultaneously.
exists x1 x2 x3 x4.(a_topic(x1) & down(x1,x4) & n_river(x4) & with(x1,x2) & n_canoe(x2) & of(x2,x3) & n_dog(x3) & n_woman(x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_car(x2)) & n_cat(x1))