Three young girls are taking part in martial arts.
One of the girls is a brown belt.
It cannot be inferred that one of the young girls is a brown belt.
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 p1 x1 x2.(n_girl(x2) & exists s1 x3.((x1 = x3) & n_belt(x3) & a_brown(s1) & Theme(s1,x3)) & of(x1,x2) & n_thing(x1) & card_eq_1(x1))