A man and his canine on the beach.
A dog and a man are on a street.
They cannot simultaneously be on a street and on a beach
exists s1 x1 x2 x3.(n_beach(x3) & a_topic(s1) & subset_of(x2,s1) & on(x2,x3) & n_canine(x2) & of(x2,x1) & n_male(x1) & subset_of(x1,s1) & n_man(x1))
exists p1 x1 x2 x3.(exists x4.(on(x1,x4) & n_street(x4)) & subset_of(x3,x1) & n_man(x3) & subset_of(x2,x1) & n_dog(x2))