Two men are in a blue and white speed boat.
Two men are flying a plane.
speedboat is different from plane.
exists p1 x1.(exists s1 s2 x2 x3.(in(x1,x2) & n_boat(x2) & of(x2,x3) & n_speed(x3) & a_white(s2) & Theme(s2,x2) & a_blue(s1) & Theme(s1,x2)) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_fly(e1) & n_plane(x2) & n_man(x1) & card_eq_2(x1))