A group of people are putting on an elaborate theatrical performance.
Performers are presenting a play.
Putting on is another way of saying presenting, and theatrical performance is another way to say a play.
exists e1 s1 s2 x1 x2 x3 x4.(on(e1,x4) & n_performance(x4) & a_theatrical(s2) & Theme(s2,x4) & a_elaborate(s1) & Theme(s1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_put(e1) & n_thing(x3) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_present(e1) & n_play(x2) & n_performer(x1))