Two people dressed in battle gear, are practicing sparring in a gymnasium.
Two people having a one on one match.
Practicing sparring doesn't have to imply that the match is one on one.
exists e1 e2 p1 x1 x2 x3 x4.(exists e3 x5.(in(e3,x5) & n_gymnasium(x5) & Actor(e3,x1) & v_spar(e3)) & Topic(e2,p1) & Actor(e2,x1) & v_practice(e2) & in(e1,x3) & n_gear(x3) & of(x3,x4) & n_battle(x4) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_have(e1) & on(x3,x4) & n_match(x4) & card_eq_1(x4) & n_thing(x3) & card_eq_1(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))