A small child taking a nap on the floor.
An old man is taking a nap on the floor.
Child and old man refers to different people
exists e1 s1 x1 x2 x3 x4.(n_floor(x4) & a_topic(x1) & on(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & n_nap(x3) & (x1 = x2) & n_child(x1) & a_small(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(n_floor(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_nap(x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))