The back of two men's heads riding on a train.
The two men are in prison
Ones can be either on a train or in prison.
exists e1 x1 x2 x3 x4 x5.(n_back(x1) & a_topic(x1) & of(x1,x3) & on(e1,x5) & n_train(x5) & Actor(e1,x4) & v_ride(e1) & (x3 = x4) & n_head(x3) & of(x3,x2) & n_man(x2) & card_eq_2(x2))
exists p1 x1.(n_man(x1) & card_eq_2(x1) & exists x2.(in(x1,x2) & n_prison(x2)))