With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Code Geass has been adapted into four separate manga.
text_B: A referendum on military rule was held in Madagascar on 8 October 1972 .. Madagascar. Madagascar. It followed General Gabriel Ramanantsoa taking power from elected President Philibert Tsiranana in May , and Ramanantsoa 's proposals for a five-year transition period during which the National Assembly would be suspended .. Gabriel Ramanantsoa. Gabriel Ramanantsoa. Philibert Tsiranana. Philibert Tsiranana. The plans were approved by 94.43 % of voters , with an 84 % voter turnout .
not_related.