With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bernie Sanders has a stance on labor.
text_B: Sophia -LRB- 1371 -- 1453 -RRB- was the only daughter of Vytautas the Great of Lithuania and his first wife , Anna .. Vytautas the Great. Vytautas the Great. Anna. Anna, Grand Duchess of Lithuania. On 21 January 1391 , while her father was engaged in the Lithuanian Civil War , she married Vasili I of Russia .. Vasili I of Russia. Vasili I of Russia. Lithuanian Civil War. Lithuanian Civil War ( 1389–1392 ). She was the longest serving consort of Russia .. After Vasili 's death in 1425 she became regent for their ten-year-old son Vasili II .. Vasili II. Vasili II of Russia. Her father supported Vasili 's claim to the throne , which was disputed by his uncle , Yuri of Zvenigorod .. Yuri of Zvenigorod. Yuri of Zvenigorod. Sophia was buried in the Ascension Convent ; the sarcophagus was moved in 1929 to the Cathedral of the Archangel by Soviet authorities .. Cathedral of the Archangel. Cathedral of the Archangel. Ascension Convent. Ascension Convent
not_related.