Two women playing field hockey.
Two women on opposing teams playing field hockey.
We have no idea if they are on opposing teams or not, they could be on any time or not on a team at all.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_hockey(x3) & of(x3,x4) & n_field(x4) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))
exists e2 e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_oppose(e2) & Theme(e1,x5) & Actor(e1,x4) & v_play(e1) & n_hockey(x5) & of(x5,x6) & n_field(x6) & (x3 = x4) & n_team(x3) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))