A woman is playing ice hockey.
A woman skates on ice.
Ice hockey implies skates on ice.
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 x1 x2.(on(e1,x2) & n_ice(x2) & Actor(e1,x1) & v_skate(e1) & n_woman(x1))