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Karen Christiana Figueres Olsen ( born August 7 , 1956 ) was appointed Executive Secretary of the UN Framework Convention on Climate Change ( UNFCCC ) on May 17 , 2010 , succeeding Yvo de Boer .
 person: Karen Christiana Figueres Olsen; person: Yvo de Boer
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: Karen Christiana Figueres Olsen; person: Yvo de Boer