With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Reg Watson was the creator of Prisoner.
text_B: A vanishing mediator is a concept that exists to mediate between two opposing ideas , as a transition occurs between them .. At the point where one idea has been replaced by the other , and the concept is no longer required , the mediator vanishes .. In terms of Hegelian dialectics the conflict between the theoretical abstraction and its empirical negation -LRB- through trial and error -RRB- is resolved by a concretion of the two ideas , representing a theoretical abstraction taking into account the previous contradiction , whereupon the mediator vanishes .. Hegelian dialectics. Dialectics#Hegelian dialectic. In terms of psychoanalytic theory , when someone is caught in a dilemma they experience hysteria .. psychoanalytic theory. psychoanalytic theory. hysteria. hysteria. A conceptual deadlock exists until the resulting hysteric breakdown precipitates some kind of resolution , therefore the Hysteria is a vanishing mediator in this case .. In terms of political history , it refers to social movements , which operate in a particular way to influence politics , until they either are forgotten or change their purpose .. political history. political history. Fredric Jameson introduced the term in a 1973 essay -LRB- `` The Vanishing Mediator  : Narrative Structure in Max Weber , '' in New German Critique 1 -LSB- Winter , 1973 -RSB-  : 52-89 -RRB- .. Alain Badiou uses a similar , but more explicitly post-structuralist term -LRB- ″ terme evanouissant ″ or ″ vanishing term ″ -RRB- in Theorie du sujet .. Alain Badiou. Alain Badiou. Since , this concept has been adopted by Zizek in `` For They Know Not What They Do  : Enjoyment as a Political factor '' , where he uses it in a political sense , similar to Marx 's Analysis of Revolution .. Zizek. Zizek. Marx. Marx
not_related.