two women are kickboxing.
Two women compete.
if two women are kickboxing, it follows that they are competing.
exists e1 x1.(Actor(e1,x1) & v_kickbox(e1) & n_woman(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_compete(e1) & n_woman(x1) & card_eq_2(x1))