With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A Boeing B-29 Superfortress dropped Little Boy.
text_B: Fly 104 is a local radio station , based in Kalamaria , Thessaloniki , Greece .. Thessaloniki. Thessaloniki. radio station. Radio broadcasting. Kalamaria. Kalamaria. Greece. Greece. The station 's format included foreign dance , electronica and house music .. dance. dance music. electronica. electronica. house music. house music
not_related.