With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Octopuses protect themselves against predators.
text_B: Timperley Hall was a moated manor house in Timperley , Greater Manchester , England , first recorded in 1560 , but almost certainly built to replace an earlier medieval structure .. Timperley. Timperley. Greater Manchester. Greater Manchester. manor house. manor house. Very little remains of the 16th-century hall , which is not shown on the Tithe map of 1838 .. Tithe map. Tithe maps. The date of the hall 's demolition is unknown , but the size of the moat suggests that it was a `` substantial '' house .. The present-day Timperley Hall was probably constructed during the late 18th century , close to the site of the older hall .. Timperley. Timperley
not_related.