154616
Leo wonders about the mysteries of his life , not least of all , why his father is so sad and what happened to Rosaria , his sister , and why no one mentions her .
 None
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:  
Answer:
 None