10420
It was at this time he began a friendship with Robert S. Kerr , who was a member of the same debate club .
 person: Robert S. Kerr
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Robert S. Kerr