Two young people riding a subway tram while sleeping.
The two young people were really tired on the subway tram
Sleeping does not imply really tired.
exists e1 e2 s1 x1 x2 x3 x4.(a_topic(x1) & while(e1,e2) & Actor(e2,x2) & v_sleep(e2) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_tram(x3) & of(x3,x4) & n_subway(x4) & (x1 = x2) & n_people(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists s1 s2 x1 x2 x3.(n_tram(x2) & of(x2,x3) & n_subway(x3) & n_people(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1) & r_really(s2) & on(s2,x2) & Theme(s2,x1) & a_tire(s2))