Couple sleep on subway line sitting next to each other.
The two strangers fell asleep next to each other on the subway line.
The people are either a couple or strangers.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(x1,x3) & all x6.(n_other(x6) -> to(e1,x6)) & r_next(e1) & Actor(e1,x5) & v_sit(e1) & (x3 = x5) & n_line(x3) & of(x3,x4) & n_subway(x4) & n_sleep(x1) & of(x1,x2) & n_couple(x2))
exists e1 p1 x1 x2 x3.(n_line(x2) & of(x2,x3) & n_subway(x3) & n_stranger(x1) & card_eq_2(x1) & on(e1,x2) & all x4.(n_other(x4) -> to(e1,x4)) & r_next(e1) & exists s1.(Theme(s1,x1) & a_asleep(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_fall(e1))