With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mukesh Ambani is on the Forbes list of the world's most powerful people.
text_B: NOTOC. This is a list of the National Register of Historic Places listings in Crittenden County , Arkansas .. National Register of Historic Places. National Register of Historic Places. Crittenden County. Crittenden County, Arkansas. Arkansas. Arkansas. This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Crittenden County , Arkansas , United States .. National Register of Historic Places. National Register of Historic Places. Crittenden County. Crittenden County, Arkansas. Arkansas. Arkansas. United States. United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below , may be seen in a map .. There are 16 properties and districts listed on the National Register in the county .
not_related.