an old man sleeping in a wheelchair outside of a building.
a young lady plays with a cat
One cannot be old and young simultaneously. One is either a man or a lady. One cannot be sleeping as one plays at the same time.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x3) & of(x4,x5) & n_building(x5) & outside(x3,x4) & n_thing(x4) & n_wheelchair(x3) & Actor(e1,x2) & v_sleep(e1) & (x1 = x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(with(e1,x2) & n_cat(x2) & Actor(e1,x1) & v_play(e1) & n_lady(x1) & a_young(s1) & Theme(s1,x1))