A group of people stand on the deck of a large boat.
People are on a boat.
Since people stand on a boat, therefore they are on it.
exists e1 s1 x1 x2 x3 x4.(n_deck(x3) & on(e1,x3) & of(x3,x4) & n_boat(x4) & a_large(s1) & Theme(s1,x4) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_boat(x2)) & n_people(x1))