With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tardigrades have been observed in tropical rain forests.
text_B: United States House of Representatives , Kentucky District 7 was a district of the United States Congress in Kentucky .. district. List of United States Congressional districts. United States Congress. United States Congress. Kentucky. Kentucky. It was eliminated in 1993 when reapportionment reduced Kentucky 's House representation from seven seats to six .. Kentucky. Kentucky. reapportionment. reapportionment. The eastern Kentucky region formerly in the 7th District is now largely in the 5th District .. Kentucky. Kentucky. eastern Kentucky. eastern Kentucky. 5th District. Kentucky's 5th congressional district. The last Congressman to represent the 7th District was Carl C. Perkins , who succeeded his father , Carl D. Perkins .. Carl C. Perkins. Carl C. Perkins. Carl D. Perkins. Carl D. Perkins
not_related.