A woman and little boy sits on a police motorcycle.
There is two people sitting on the police motorycycle.
A woman and boy are two people.
exists e1 s1 x1 x2 x3 x4 x5.(on(e1,x4) & n_motorcycle(x4) & of(x4,x5) & n_police(x5) & Actor(e1,x1) & v_sit(e1) & n_boy(x3) & a_little(s1) & Theme(s1,x3) & n_woman(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists p1 x1 x4 x5.(n_motorycycle(x4) & of(x4,x5) & n_police(x5) & exists e1 x2 x3.((x1 = x2) & on(e1,x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_people(x2) & card_eq_2(x2)))