With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Germany was included in the 19th G7 summit.
text_B: The Nag 's Head Fable was a fiction which purported that Matthew Parker , an Archbishop of Canterbury , was not consecrated solemnly , but instead was consecrated with a Bible pressed to his neck while inside the Nag 's Head tavern .. Matthew Parker. Matthew Parker. Archbishop of Canterbury. Archbishop of Canterbury. The story surfaced more than 40 years after Parker 's consecration and was spread by Roman Catholics as fact until the dawn of the 20th century .
not_related.