A group of people stand on the deck of a large boat.
The passengers gather on the cruise ship as it gets underway.
The people could have been on the deck of the boat while it's moored in port instead of while it's getting underway.
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 e1 p1 x1 x2 x3.(n_thing(x2) & n_ship(x2) & of(x2,x3) & n_cruise(x3) & n_passenger(x1) & exists e2 x4.(Theme(e2,x4) & Actor(e2,x2) & v_get(e2) & n_underway(x4)) & as(e1,p1) & on(e1,x2) & Actor(e1,x1) & v_gather(e1))