198818
In 1568 , John Caius ( no relation of Thomas ) , the refounder and Master of Gonville and Caius College , Cambridge , wrote a long rebuttal entitled On the Antiquity of the University of Cambridge .
 John Caius, Gonville and Caius College , Cambridge, University of Cambridge
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 John Caius, Gonville and Caius College , Cambridge, University of Cambridge