A man sits on a couch outside under an overpass.
A man is running a marathon.
If he sits, he is not running a marathon.
exists e1 s1 x1 x2 x3.(under(e1,x3) & n_overpass(x3) & a_outside(s1) & Manner(e1,s1) & on(e1,x2) & n_couch(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_marathon(x2) & n_man(x1))