Three young girls are taking part in martial arts.
Girls are working on specific sport.
It cannot be inferred that the girls are working on a sport.
exists e1 s1 s2 x1 x2 x3.(in(e1,x3) & n_art(x3) & a_martial(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_part(x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e1 s1 x1 x2.(on(e1,x2) & n_sport(x2) & a_specific(s1) & Theme(s1,x2) & Actor(e1,x1) & v_work(e1) & n_girl(x1))