A couple of people are watching a cruise ship.
A large ship is in the water.
A cruise ship is expected to be large. And a ship is expected to be in the water.
exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_watch(e1) & n_ship(x3) & of(x3,x4) & n_cruise(x4) & of(x1,x2) & n_people(x2) & n_couple(x1))
exists p1 s1 x1 x2.(n_water(x2) & in(x1,x2) & n_ship(x1) & a_large(s1) & Theme(s1,x1))