A woman is playing ice hockey.
A woman is watching people play hockey.
A woman that is watching people play something isn't herself playing it.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_hockey(x2) & of(x2,x3) & n_ice(x3) & n_woman(x1))
exists e1 e2 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_hockey(x4) & (x2 = x3) & n_people(x2) & n_woman(x1))