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Upon his apprentiship as a watchmaker in his father ’s workshop , he went to La Chaux-de-Fonds for a one year furthering of his skills .
 La Chaux-de-Fonds
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 La Chaux-de-Fonds