A group of individuals performed in front of a seated crowd.
The group is singing and dancing for a show.
Performances can be activities other than singing and/or dancing, and it could be a less formal event than a show.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & in(e1,x4) & of(x4,x5) & n_crowd(x5) & Theme(e2,x5) & v_seat(e2) & n_front(x4) & Theme(e1,x3) & v_perform(e1) & (x2 = x3) & n_individual(x2) & n_group(x1))
exists e1 e2 x1 x2.(n_group(x1) & for(e2,x2) & n_show(x2) & Actor(e2,x1) & v_dance(e2) & Actor(e1,x1) & v_sing(e1))