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However , a common mistake is to think that loving oneself is necessarily equivalent to narcissism , as opposed for example to what Erik Erikson speaks of as " a post-narcissistic love of the ego " .
 person: Erik Erikson
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: Erik Erikson