A man in a wheelchair is sleeping on a sidewalk.
There is a man awake outdoors
You cannot be awake and at the same time be sleeping.
exists e1 x1 x2 x3.(on(e1,x3) & n_sidewalk(x3) & Actor(e1,x1) & v_sleep(e1) & in(x1,x2) & n_wheelchair(x2) & n_man(x1))
exists p1 x1 x2 x3 x4.((x1 = x2) & n_outdoors(x2) & of(x2,x4) & n_awake(x4) & of(x2,x3) & n_man(x3))