Two men and six women are in the middle of a stage.
The people are performing a play
You can not infer they are in a play.
exists p1 x1 x2 x3 x4.(n_middle(x4) & exists x5.(in(x1,x4) & of(x4,x5) & n_stage(x5)) & n_woman(x3) & card_eq_6(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1) & card_eq_2(x1))
exists e1 x1 x2.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_play(x2))