With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Isabella of France was a regent.
text_B: Alfred Louis Pierre Germain -LRB- 8 January 1878 -- 18 October 1942 -RRB- was a French malacologist born in Niort , department Deux-Sevres .. malacologist. malacologist. Niort. Niort. Deux-Sevres. Deux-Sevres. He studied in Angers and Paris , obtaining his doctorate of sciences in 1907 .. Angers. Angers. Paris. Paris. Later he worked under Louis Joubin -LRB- 1861-1935 -RRB- in the laboratory of mollusks , worms and zoophytes at the Museum national d'histoire naturelle in Paris .. Paris. Paris. Louis Joubin. Louis Joubin. mollusks. mollusks. zoophytes. zoophytes. Museum national d'histoire naturelle. Museum national d'histoire naturelle. From 1936 to 1942 he was director of the museum .. Recently -LRB- 2010 -RRB- , a new genus of freshwater mussels from Madagascar called Germainaia was introduced into science .. Madagascar. Madagascar
not_related.