302057
Under whom this " Master of the Marble Madonnas " might have received his training is unknown but it surely would have been in the workshop of one of these masters .
 person: Master; person: Marble Madonnas
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: Master, Marble Madonnas 
Answer:
 person: Master; person: Marble Madonnas