Three girls in gymnastics tip toeing on the balance beam.
Three girls dressed in black are practicing gymnastics.
Three girl on the balance beam are not necessarily wearing black.
exists e1 x1 x2 x3 x4 x5 x6.(n_beam(x5) & of(x5,x6) & n_balance(x6) & a_topic(x1) & in(x1,x2) & on(e1,x5) & Actor(e1,x4) & v_toe(e1) & (x2 = x4) & n_tip(x2) & of(x2,x3) & n_gymnastics(x3) & n_girl(x1) & card_eq_3(x1))
exists e2 e1 s1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_practice(e2) & n_gymnastics(x4) & Theme(e1,s1) & Theme(s1,x3) & a_black(s1) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_girl(x1) & card_eq_3(x1))