With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Man with the Iron Fists stars Bryon Mann.
text_B: Mudflation , from MUD and inflation , is an economic issue that exists in massively multiplayer online games .. MUD. MUD. inflation. inflation. Mudflation occurs when future additions to -LRB- or even just continued operation of -RRB- a game causes previously acquired resources to decline in value .. This can take many forms and have many causes , including new items introduced by an expansion pack , fundamental imbalances in the in-game economy , or even spread of information that allows a previously rare resource to be acquired more easily .. expansion pack. expansion pack
not_related.