Two men on a busy subway, seen from behind.
Men ride the subway because their car broke down.
Two men on a subway does not imply it is because their car broke down.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & from(e1,x4) & n_behind(x4) & Theme(e1,x3) & v_see(e1) & (x2 = x3) & n_subway(x2) & a_busy(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists e1 p1 x1 x2 x3.(n_car(x3) & of(x3,x2) & n_thing(x2) & n_subway(x2) & exists e2 p2.(exists s1.(Theme(s1,x3) & a_down(s1)) & Topic(e2,p2) & Actor(e2,x3) & v_break(e2)) & because(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_man(x1))