With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The 20th is the day Diana Rigg was born.
text_B: Mictla may refer to  :. Mictlan , an Aztec underworld. Mictlan. Mictlan. Mictlantecuhtli , the king of Mictlan. Mictlan. Mictlan. Mictlantecuhtli. Mictlantecuhtli. Mictecacihuatl , the queen of Mictlan. Mictlan. Mictlan. Mictecacihuatl. Mictecacihuatl
not_related.