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The princess , who has carved out a major role for herself as a helper of the sick and needy , is said to have turned to Mother Teresa for guidance as her marriage crumbled to heir to the British throne Prince Charles .
 Prince Charles, Mother Teresa, British
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Prince Charles, Mother Teresa, British