90004
The tunes of the original ballad operas were almost all pre-existing ( somewhat in the manner of a modern " jukebox musical " ) : however they were taken from a wide variety of contemporary sources , including folk melodies , popular airs by classical composers ( such as Purcell ) and even children 's nursery rhymes .
 person: Purcell
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: Purcell 
Answer:
 person: Purcell