Actors in costumes rehearsing for a play, while a man with black hair and a white shirt sits on a stairway.
Actors rehearse for a play.
If they are rehearsing they rehearse for a play.
exists e1 p1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & exists e2 s1 s2 x5 x6 x7 x8 x9.(on(e2,x9) & n_stairway(x9) & Actor(e2,x5) & v_sit(e2) & with(x5,x6) & subset_of(x8,x6) & n_shirt(x8) & a_white(s2) & Theme(s2,x8) & subset_of(x7,x6) & n_hair(x7) & a_black(s1) & Theme(s1,x7) & n_man(x5)) & while(e1,p1) & for(e1,x4) & n_play(x4) & Actor(e1,x3) & v_rehearse(e1) & (x2 = x3) & n_costume(x2) & n_actor(x1))
exists e1 x1 x2.(for(e1,x2) & n_play(x2) & Actor(e1,x1) & v_rehearse(e1) & n_actor(x1))