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Robert Gwathmey ( January 24 , 1903 – September 21 , 1988 ) was an American social realist painter .
 person: Gwathmey
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: Gwathmey