With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: David Schwimmer finished acting in Friends in the 21st century.
text_B: Ben Lomond , also known as Ben Lomond Plantation , is a historic plantation house located at Bull Run , Prince William County , Virginia .. plantation house. Plantation house in the Southern United States. Bull Run. Bull Run, Prince William County, Virginia. It was built in 1837 , and is a two-story , five bay , red sandstone dwelling with a gable roof .. sandstone. sandstone. The house has a central-hall plan and one-story frame kitchen addition .. central-hall plan. Central-passage house. One-story pedimented porches shelter the main -LRB- north -RRB- and rear -LRB- south -RRB- entries .. Also on the property are the contributing frame two-story tenant 's house , brick pumphouse , and a bunkhouse dated to the early 20th century ; and a meat house , dairy , and slave quarters dated to the late-1830s .. It was listed on the National Register of Historic Places in 1980 .. National Register of Historic Places. National Register of Historic Places. The house is owned by the County and is open for tour as a Civil War-period historic house museum .. historic house museum. historic house museum
not_related.