Two guys in a boat sailing along the ocean.
Two men are floating in a hot air balloon.
People can not be sailing the ocean and riding in a hot air balloon.
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 e1 s1 x1 x2 x3.(in(e1,x2) & n_balloon(x2) & of(x2,x3) & n_air(x3) & a_hot(s1) & Theme(s1,x2) & Actor(e1,x1) & v_float(e1) & n_man(x1) & card_eq_2(x1))