107225
Endurantism is seen as the conventional view and flows out of our pre-philosophical ideas ( when I talk to somebody I think I am talking to that person as a complete object , and not just a part of a cross-temporal being ) , but perdurantists such as David Lewis have attacked this position .
 David Lewis
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:
 David Lewis