With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Genghis Khan unified the nomadic tribes of Oxford University.
text_B: Tonica melanoglypha is a moth in the Depressariidae family .. Depressariidae. Depressariidae. Tonica. Tonica ( moth ). moth. moth. It was described by Diakonoff in 1966 .. It is found on Java .. Java. Java. The wingspan is about 19 mm .. wingspan. wingspan. The forewings are creamy , partially finely dusted with pale greyish-fuscous , not dusted towards the costa anteriorly and between the veins elsewhere .. The dorsal area below the fold is evenly suffused with pale greyish-fuscous .. The markings are blackish-brown .. The hindwings are creamy-white , the apex slightly bent down , narrowly edged with a short black strigula .
not_related.