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` Abdu'l - Bahá described the human species as having evolved from a primitive form to modern man , but that the capacity to form human intelligence was always in existence .
 ` Abdu'l - Bahá
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 ` Abdu'l - Bahá