A middle-aged man in a trench coat sleeps on a bus or train.
The man is standing upright on the bus.
The man cannot be sleeping and standing up simultaneously.
exists e1 s1 x1 x2 x3 x4.(on(e1,x4) & (n_bus(x4) | n_train(x4)) & Actor(e1,x1) & v_sleep(e1) & in(x1,x2) & n_coat(x2) & of(x2,x3) & n_trench(x3) & n_man(x1) & a_middle-aged(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_bus(x3) & n_man(x1) & on(e1,x3) & Time(e1,x2) & n_upright(x2) & Actor(e1,x1) & v_stand(e1))