With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Keturah was Abraham's concubine.
text_B: Keturah was a concubine and wife of the Biblical patriarch Abraham .. concubine. concubine. Biblical patriarch. Biblical patriarch. Abraham. Abraham. According to the Book of Genesis , Abraham married Keturah after the death of his first wife , Sarah ; Abraham and Keturah had six sons .. Abraham. Abraham. Book of Genesis. Book of Genesis. Sarah. Sarah. One modern commentator on the Hebrew Bible has called Keturah `` the most ignored significant person in the Torah '' .. Hebrew Bible. Hebrew Bible. Torah. Torah. Some Jewish scholars have believed Keturah to be the same person as Abraham 's concubine Hagar , but this view is not universally held .. concubine. concubine. Abraham. Abraham. Hagar. Hagar
related.