Two young males involved in a wrestling match.
Two people playing hockey.
Hockey and wrestling are not the same sport.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_match(x3) & of(x3,x4) & n_wrestling(x4) & Theme(e1,x2) & v_involve(e1) & (x1 = x2) & n_male(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_hockey(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))