With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Julianne Hough is a person.
text_B: Echu mac Muiredaig -LRB- flourished mid 6th century -RRB- was a king of the Ui Cheinnselaig of South Leinster .. Ui Cheinnselaig. Ui Cheinnselaig. Leinster. Leinster. His father , Muiredach mac Oengusa and grandfather Oengus mac Feidlimid had been kings of the Ui Cheinnselaig as well .. They belonged to a branch known as the Ui Felmeda descended from Fedelmid , son of Ennae Cennsalach , who was the father of Oengus .. Ennae Cennsalach. Ennae Cennsalach. He is listed in the king list in the Book of Leinster but is not mentioned in the annals .. Leinster. Leinster. An 11th-century poem Gein Branduib maic Echach ocus Aedain maic Gabrain -LRB- The Birth of Brandub son of Eochu and of Aedan son of Gabran -RRB- mentions that Echu was expelled from Leinster by his brother Faelan and went to the court of Gabran mac Domangairt , king of Dal Riata in Scotland .. Leinster. Leinster. Gabran mac Domangairt. Gabran mac Domangairt. The king list in the Book of Leinster mentions a Faelan mac Silain as king prior to Echu from a rival line descended from Crimthann mac Ennai -LRB- died 486 -RRB- .. Leinster. Leinster. Crimthann mac Ennai. Crimthann mac Ennai. Echu later reurned to take the throne though it is not mentioned in what manner he did so .. The poem goes on to relate that Echu 's wife , named Feidelm agreed to exchange one of her twin sons at birth for one of the twin daughters of Gabran so that Gabran could have a son .. These boys were Brandub mac Echach -LRB- died 603 -RRB- and Aedan mac Gabrain .. Brandub mac Echach. Brandub mac Echach. Aedan mac Gabrain. Aedan mac Gabrain. The date of the poem coincides with a period of Scottish and Leinster cooperation and could be political propaganda .. Leinster. Leinster. A foster-brother relationship may be implied .. Echu 's son Brandub would go on to become King of Leinster and halt the expansion of the southern Ui Neill .. Leinster. Leinster. Ui Neill. Ui Neill
not_related.