With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John Cena is a professional writer only.
text_B: Kingsburgh may refer to  :. Kingsburgh , Highland , Scotland. Kingsburgh , KwaZulu-Natal , South Africa. Kingsburgh , California , former name of Kingsburg , California , United States. Kingsborough , Queensland , a former mining town in Australia
not_related.