Three kids practice martial arts, one has a yellow belt, on a red belt and the other a white belt.
3 kids are competing in a martial arts tournament.
Just because the kids practice martial arts doesn't mean they are in a tournament.
exists e1 s1 s2 s3 s4 s5 x1 x2 x3 x4 x5 x6 x7.(rel(e1,x5) & n_art(x5) & a_martial(s5) & Theme(s5,x5) & of(x5,x7) & n_practice(x7) & of(x5,x6) & n_kid(x6) & card_eq_3(x5) & on(e1,x3) & subset_of(x4,x3) & -(x4 = x2) & n_belt(x2) & n_belt(x2) & a_white(s4) & Theme(s4,x2) & n_belt(x4) & n_belt(x4) & a_white(s3) & Theme(s3,x4) & a_red(s2) & Theme(s2,x4) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & a_yellow(s1) & Theme(s1,x2) & n_thing(x1) & card_eq_1(x1))
exists e1 s1 x1 x2 x3.(in(e1,x2) & n_tournament(x2) & of(x2,x3) & n_art(x3) & a_martial(s1) & Theme(s1,x2) & Actor(e1,x1) & v_compete(e1) & n_kid(x1) & n_date(x1) & a_date_day_03(x1) & a_date_day_03(x1))