With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ramadan is observed by Muslims.
text_B: Kochanski is a surname , and can refer to  :. Adam Adamandy Kochanski , Polish mathematician. Adam Adamandy Kochanski. Adam Adamandy Kochanski. Halik Kochanski , British historian of Poland. Halik Kochanski. Halik Kochanski. Kristine Kochanski , fictional character from the Red Dwarf TV series. Kristine Kochanski. Kristine Kochanski. Mors Kochanski , Canadian bushman and wilderness survival expert. Mors Kochanski. Mors Kochanski. Paul Kochanski , Polish violinist -LRB- born Pawel Kochanski -RRB-. Paul Kochanski. Paul Kochanski
not_related.