A man of the street taking a nap resting his head on a rock. While
The guy is sleeping in a bed.
A man resting on a rock cannot be sleeping in his bed simultaneously.
(x)
exists e1 x1 x2.(n_guy(x1) & in(e1,x2) & n_bed(x2) & Actor(e1,x1) & v_sleep(e1))