377013
When Gluck learned that Piccinni was setting the same libretto to Roland as he was , he abandoned work on his score .
 person: Gluck; person: Piccinni
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: Gluck, Piccinni 
Answer:
 person: Gluck; person: Piccinni