Two black men walking down the gratified sidewalk.
Two african american guys on the couch.
The men can't be on the couch if they are on the sidewalk.
exists e1 s1 s2 x1 x2 x3.(n_sidewalk(x3) & a_gratified(s2) & Theme(s2,x3) & a_topic(x1) & down(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_man(x1) & a_black(s1) & Theme(s1,x1) & card_eq_2(x1))
exists s1 s2 x1 x2.(n_couch(x2) & a_topic(x1) & on(x1,x2) & n_guy(x1) & a_american(s2) & Theme(s2,x1) & a_african(s1) & Theme(s1,x1) & card_eq_2(x1))