Two guys in a boat sailing along the ocean.
Two men are outside on a boat in water.
Boats are usually outside, and sailing is almost always done outside on a boat.  Oceans are made of water.
exists x1 x2 x3 x4.(n_ocean(x4) & a_topic(x1) & along(x1,x4) & in(x1,x2) & n_sailing(x2) & of(x2,x3) & n_boat(x3) & n_guy(x1) & card_eq_2(x1))
exists s1 x1 x2 x3.(on(s1,x2) & in(x2,x3) & n_water(x3) & n_boat(x2) & Theme(s1,x1) & a_outside(s1) & n_man(x1) & card_eq_2(x1))