The three girls are performing some kind of dance.
People are dancing at a wedding.
The girls are dancing.
exists e1 x1 x2 x3.(n_girl(x1) & card_eq_3(x1) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & of(x2,x3) & n_dance(x3) & n_kind(x2))
exists e1 x1 x2.(at(e1,x2) & n_wedding(x2) & Actor(e1,x1) & v_dance(e1) & n_people(x1))