With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Chris Noth was nominated for the thunderstorm for Best Supporting Actor on Television.
text_B: The following examples of generating functions are in the spirit of George Polya , who advocated learning mathematics by doing and re-capitulating as many examples and proofs as possible .. George Polya. George Polya. The purpose of this article is to present common ways of creating generating functions .
not_related.