With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Prince did not die in 2016.
text_B: This page lists all peerages created for retiring Speakers of the British House of Commons .. peerages. Peerages in the United Kingdom. Speakers of the British House of Commons. Speaker of the House of Commons ( United Kingdom ). Extant titles are in bold .
not_related.