A group of girls in leotards.
Some girls wearing leotards.
some girls are the group
exists x1 x2 x3.(a_topic(x1) & of(x1,x2) & in(x2,x3) & n_leotard(x3) & n_girl(x2) & n_group(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_leotard(x3) & (x1 = x2) & n_girl(x1))