Three people riding on a blue and white boat.
The three people are on a boat.
People riding a boat are on a boat.
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_boat(x3) & a_white(s2) & Theme(s2,x3) & a_blue(s1) & Theme(s1,x3) & Actor(e1,x2) & v_ride(e1) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
exists p1 x1.(n_people(x1) & card_eq_3(x1) & exists x2.(on(x1,x2) & n_boat(x2)))