A man and a woman are sleeping on a mode of public transportation.
Everyone is awake riding the bus.
A man and woman cannot be sleeping if it is stated everyone is awake.
exists e1 s1 x1 x2 x3 x4 x5.(on(e1,x4) & of(x4,x5) & n_transportation(x5) & a_public(s1) & Theme(s1,x5) & n_mode(x4) & Actor(e1,x1) & v_sleep(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists x2.(n_bus(x2) & all x1.(n_person(x1) -> exists e1 p1.(exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_ride(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_awake(e1))))