A man and a woman are sleeping on a mode of public transportation.
There is a man and a woman sleeping on the public bus.
just because a man and a woman are sleeping on a mode of public transportation doesn't mean they are sleeping on the public bus
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 p1 s1 x1 x6.(n_bus(x6) & a_public(s1) & Theme(s1,x6) & exists e1 x2 x3 x4 x5.((x1 = x2) & subset_of(x4,x2) & on(e1,x6) & Actor(e1,x5) & v_sleep(e1) & (x4 = x5) & n_woman(x4) & subset_of(x3,x2) & n_man(x3)))