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He was appointed team captain in July 2004 , but six months later picked up a knee ligament injury in training , missing the remainder of the campaign and being replaced by Ronald Waterreus .
 person: Ronald Waterreus
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:
 person: Ronald Waterreus