9582
Pruis , originally from Holland , Michigan came to Ball State on July 1 , 1968 , and retiring in 1978 .
 Pruis, Holland , Michigan, Ball
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pruis, Holland , Michigan, Ball