With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John F. Kennedy is a descendant of a notable family.
text_B: XHPNK-FM is a radio station on 103.5 FM in Los Mochis , Sinaloa .. 103.5 FM. 103.5 FM. It is owned by Radiorama and is known as Radio Ranchito with a ranchera format .. Radiorama. Grupo Radiorama
not_related.