Actors and actresses on a stage, performing an act.
A live play is being put on.
Performing an act does not imply a live play being put on.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x5) & Actor(e1,x1) & v_perform(e1) & n_act(x5) & subset_of(x3,x1) & on(x3,x4) & n_stage(x4) & n_actress(x3) & subset_of(x2,x1) & n_actor(x2))
exists e1 s1 s2 x1.(a_on(s2) & Manner(e1,s2) & Theme(e1,x1) & v_put(e1) & n_play(x1) & a_live(s1) & Theme(s1,x1))