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Another brother , Abraham ( C. Ernst Harth ) , then breaks a human harp that interested Anton , and an angry Anton climbs down the beanstalk to the human world .
 Abraham, C. Ernst Harth
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Abraham, C. Ernst Harth