One person and a dog in a kayak
A person and a cat in a canoe.
The person and dog cannot be in a kayak and a canoe simultaneously.
exists s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & in(x2,x3) & n_kayak(x3) & n_dog(x2) & subset_of(x1,s1) & n_person(x1) & card_eq_1(x1))
exists s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & in(x2,x3) & n_canoe(x3) & n_cat(x2) & subset_of(x1,s1) & n_person(x1))