A group of girls join hands while being surrounded by dancing women.
Some girls are having a party.
Sentence 1 is missing girls are having a party.
exists e1 e3 e2 x1 x2 x3 x4.(by(e2,e3) & Theme(e3,x4) & Actor(e3,x1) & v_dance(e3) & n_woman(x4) & while(e1,e2) & Theme(e2,x1) & v_surround(e2) & Theme(e1,x3) & Actor(e1,x1) & v_join(e1) & n_hand(x3) & of(x1,x2) & n_girl(x2) & n_group(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_party(x2) & n_girl(x1))