A man of the street taking a nap resting his head on a rock. While
A homeless man is standing against a wall.
A man taking a nap is not standing simultaneously.
(x)
exists e1 s1 x1 x2.(against(e1,x2) & n_wall(x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1) & a_homeless(s1) & Theme(s1,x1))