Three young girls are taking part in martial arts.
3 girls are taking part in a self defense class.
It cannot be inferred that they are taking part for self defense.
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 x3 x4.(in(e1,x3) & n_class(x3) & of(x3,x4) & n_defense(x4) & a_self(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_part(x2) & n_girl(x1) & n_date(x1) & a_date_day_03(x1) & a_date_day_03(x1))