74927
The absence of the author 's final revision may explain many errors , and as early as 1350 , Petrarch complained about the corrupt state of the text , referring to copying errors made between the ninth and eleventh centuries .
 person: Petrarch
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: Petrarch 
Answer:
 person: Petrarch