People camp with the mountains in the background.
People are at a hotel.
People can't camp and be at a hotel at the same time.
exists x1 x2 x3 x4.(n_background(x4) & n_mountain(x3) & a_topic(x1) & with(x1,x3) & in(x3,x4) & n_camp(x1) & of(x1,x2) & n_people(x2))
exists p1 x1.(exists x2.(at(x1,x2) & n_hotel(x2)) & n_people(x1))