85107
Further annotations of the text by Pei Songzhi ( 430 AD ) described the design in detail as a large single central wheel and axle around which a wooden frame was constructed in representation of an ox .
 Pei Songzhi
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Pei Songzhi