459
He said O ' Leary ` ` is unaware of the problem and the magnitude to which it ' s grown . ' '
 He, O ' Leary
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 He, O ' Leary