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There he was befriended by Henri Langlois , founder of the Cinémathèque Française , “ one of the most important figures in the history of film ” who became his mentor and spiritual father , his own father having died at the time of his birth .
 person: Henri Langlois
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Henri Langlois 
Answer:
 person: Henri Langlois