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He became vice-president of the society and went on to help with the restoration of the Ffestiniog Railway in North Wales and the Dart Valley Railway in Devon .
 organization: Railway; organization: Railway; location: Devon
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Railway; organization: Railway; location: Devon