Marathon runner focused on the run.
A marathon runner is focused.
A runner focused on the run is another way to say the runner is focused.
exists e1 x1 x2 x3.(n_run(x3) & on(e1,x3) & Actor(e1,x1) & v_focus(e1) & n_runner(x1) & (x1 = x2) & ne_nam_marathon(x2))
exists e1 x1 x2.(Theme(e1,x1) & v_focus(e1) & n_runner(x1) & of(x1,x2) & n_marathon(x2))