150500
Il campiello ( The Little Square ) is an opera in three acts by Ermanno Wolf-Ferrari .
 person: Ermanno Wolf-Ferrari
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: Ermanno Wolf-Ferrari 
Answer:
 person: Ermanno Wolf-Ferrari