With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Persuasion (2007 film) made over $5 million dollars.
text_B: The Derwent is a river in Derbyshire , England .. Derbyshire. Derbyshire. It is 66 mi long and is a tributary of the River Trent , which it joins south of Derby .. River Trent. River Trent. tributary. tributary. Derby. Derby. For half its course , the river flows through the Peak District .. Peak District. Peak District. Much of the river 's route , with the exception of the city of Derby , is rural .. Derby. Derby. However the river has also seen many human uses , and between Matlock and Derby was one of the cradles of the Industrial Revolution , providing power to the first industrial scale cotton mills .. Derby. Derby. Matlock. Matlock, Derbyshire. Industrial Revolution. Industrial Revolution. mills. Factory. Today it provides a water supply to several surrounding cities , and its steeply sided valley is an important communications corridor through the uplands of the Peak District .. Peak District. Peak District. Because of its scenic qualities , the valley of the River Derwent sees many tourist visitors .. The upper reaches pass through the Peak District National Park , whilst the middle reaches around the old spa town of Matlock Bath which attracts tourists because of its souvenir shops and amusement arcades , together with attractions such as the Heights of Abraham and its cable car .. Peak District. Peak District. Matlock. Matlock, Derbyshire. Peak District National Park. Peak District National Park. spa town. spa town. Matlock Bath. Matlock Bath. Heights of Abraham. Heights of Abraham. cable car. aerial tramway
not_related.