With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Pembroke Castle is in movies.
text_B: Mortimer 's Cross Water Mill is an 18th-century watermill located on the River Lugg , 11 km northwest of Leominster , Herefordshire , England .. watermill. watermill. River Lugg. River Lugg. Leominster. Leominster. Herefordshire. Herefordshire. England. England. It is owned by English Heritage and is in partial working order .. English Heritage. English Heritage
not_related.