A group of actors and actresses are performing in a play.
The actors are performing.
"The actors are performing" is a less detailed restatement that a group of actors are performing in a play.
exists e1 x1 x2 x3 x4 x5.(in(e1,x5) & n_play(x5) & Actor(e1,x1) & v_perform(e1) & of(x1,x2) & subset_of(x4,x2) & n_actress(x4) & subset_of(x3,x2) & n_actor(x3) & n_group(x1))
exists e1 x1.(n_actor(x1) & Actor(e1,x1) & v_perform(e1))