52224
The semiotics of acting plays a far more central role in Bertolt Brecht 's epic theatre , in which an actor is concerned to bring out clearly the sociohistorical significance of behaviour and action by means of specific performance choices - a process that he describes as establishing the " not / but " element in a performed physical " " gestus " " within context of the play 's overal " " Fabel " " .
 Bertolt Brecht
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Bertolt Brecht