An older man sitting in a chair sleeping.
An older man stands behind a chair
The man cannot be sitting and standing at the same time.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_sleeping(x3) & of(x3,x4) & n_chair(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(behind(e1,x2) & n_chair(x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))