A woman and boy sit on a police motorcycle.
The family is sitting on a police motorcycle.
the woman is in a family
exists e1 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) & n_woman(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 x1 x2 x3.(n_family(x1) & on(e1,x2) & n_motorcycle(x2) & of(x2,x3) & n_police(x3) & Actor(e1,x1) & v_sit(e1))