A group of dancers takes their bows.
They are a group of dancers.
A group of dancers implies they are a group of dancers.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & n_bow(x3) & of(x3,x1) & n_thing(x1) & of(x1,x2) & n_dancer(x2) & n_group(x1))
exists p1 x1.(n_thing(x1) & exists x2 x3.((x1 = x2) & of(x2,x3) & n_dancer(x3) & n_group(x2)))