A sailing boat with many people sails on water.
A charter cruise carries a wedding party to a private island.
Not all boats are charter cruises. Boats with people sailing don't always a wedding party to a private island.
exists x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x3) & on(x3,x5) & n_water(x5) & Time(x3,x4) & n_sail(x4) & n_people(x3) & n_quantity(x3) & n_boat(x1) & of(x1,x2) & n_sailing(x2))
exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x3) & Actor(e2,x1) & v_carry(e2) & to(x3,x4) & n_island(x4) & a_private(s1) & Theme(s1,x4) & n_party(x3) & Actor(e1,x3) & v_wed(e1) & n_cruise(x1) & of(x1,x2) & n_charter(x2))