A person swimming underwater in a swimming pool.
A person is in a bounce house at a birthday party
If a person is swimming in a swimming pool the are not in a bounce house at a birthday party.
exists x1 x2 x3 x4.(a_topic(x1) & in(x1,x3) & n_pool(x3) & of(x3,x4) & n_swimming(x4) & n_swimming(x1) & Time(x1,x2) & n_underwater(x2) & n_person(x1))
exists p1 x1.(exists x2 x3 x4 x5.(in(x1,x2) & at(x2,x4) & n_party(x4) & of(x4,x5) & n_birthday(x5) & n_house(x2) & of(x2,x3) & n_bounce(x3)) & n_person(x1))