With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Paul Mantee was a television actor.
text_B: Thomas Scott House is a historic home located in East Fallowfield Township , Chester County , Pennsylvania .. East Fallowfield Township. East Fallowfield Township, Chester County, Pennsylvania. The house was built about 1796 , and is a two-story , three bay , stuccoed stone , vernacular Federal style dwelling .. Federal. Federal architecture. It has a one-story stone addition and full width front porch with Eastlake brackets .. Eastlake. Eastlake Movement. It was added to the National Register of Historic Places in 1985 .. National Register of Historic Places. National Register of Historic Places
not_related.