Three male and female pairs of dancers are on the stage at the ballet, with other ballerinas in the background.
Some dancers perform the Nutcracker while others watch.
Being on the stage does not imply they are performing the Nutcracker.
exists p1 s1 x1 x2 x3 x4 x5 x6 x7 x8.(n_background(x7) & n_ballerina(x6) & n_ballet(x4) & n_stage(x8) & with(p1,x5) & in(x5,x7) & -(x5 = x6) & n_ballerina(x5) & at(p1,x4) & on(x1,x8) & of(x1,x3) & n_dancer(x3) & n_pair(x1) & a_female(s1) & Theme(s1,x1) & of(x1,x2) & n_male(x2) & card_eq_3(x1))
exists e1 p1 x1 x2.(n_person(x2) & ne_org_nutcracker(x2) & exists e2 x3.(Actor(e2,x3) & v_watch(e2) & -(x3 = x2) & n_person(x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_dancer(x1))