9505
Along with Callaghan , Giscard d'Estaing , and Schmidt , he hoped to enrich discourse among world leaders and explore crucial public policy issues in an intimate setting .
 person: Callaghan; person: Giscard d'Estaing; person: Schmidt
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: Callaghan; person: Giscard d'Estaing; person: Schmidt