A man is walking down the sidewalk next to a street.
A man is sleeping on the couch.
Walking is not the same as sleeping.
exists e1 s1 x1 x2 x3 x4.(n_sidewalk(x2) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & to(x3,x4) & n_street(x4) & next(x2,x3) & n_thing(x3) & n_man(x1))
exists e1 x1 x2.(n_couch(x2) & on(e1,x2) & Actor(e1,x1) & v_sleep(e1) & n_man(x1))