Man helping passengers get on tour boat.
The passengers are going on a cruise.
Not all boats are used for a cruise.
exists e1 e2 x1 x2 x3 x4.(on(e2,x3) & n_boat(x3) & of(x3,x4) & n_tour(x4) & Actor(e2,x1) & v_get(e2) & n_passenger(x1) & Actor(e1,x1) & v_help(e1) & of(x1,x2) & n_man(x2))
exists e1 x1 x2.(n_passenger(x1) & on(e1,x2) & n_cruise(x2) & Actor(e1,x1) & v_go(e1))