With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Stagira is the place where Aristotle was born.
text_B: Abu Osman Chowdhury is a Bangladeshi war hero and freedom fighter .. war hero. war hero. freedom fighter. freedom fighter. During the Bangladesh Liberation War , he served as Commander of Sector 8 of the Bangladesh Forces .. Bangladesh Liberation War. Bangladesh Liberation War. Bangladesh Forces. Bangladesh Forces
not_related.