With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Charles Woodruff Yost represented the US to the United Nations.
text_B: Oak Hall is a building and property on Wilson Pike in Brentwood , Tennessee that dates from 1845 and was listed on the National Register of Historic Places in 1986 .. National Register of Historic Places. National Register of Historic Places. It has also been known as Century Oak .. It was built by Thomas Wilson , an early settler of Williamson County and namesake of Wilson Pike , who had originally built a log home , then had built Ravenswood in 1825 .. Williamson County. Williamson County, Tennessee. Ravenswood. Ravenswood ( Brentwood, Tennessee ). Oak Hall and another home , `` Inglehame '' , were built by Wilson `` for his children '' .
not_related.