4644
He announced his intention to resign in Latin at the Apostolic Palace in the Sala del Concistoro , at an early morning gathering on 11 February 2013 , which was the World Day of the Sick , a Vatican holy day .
 organization: Vatican
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:
 organization: Vatican