82590
By the early 18th century , composers such as Alessandro Scarlatti had established the aria form , and especially its da capo version with ritornelli , as the key element of " opera seria " .
 person: Alessandro Scarlatti
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Alessandro Scarlatti 
Answer:
 person: Alessandro Scarlatti