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The primary logo , created in 1947 by sports artist Henry Alonzo Keller , consists of " Yankees " against a baseball , written in red script with a red bat forming the vertical line of the K , an Uncle Sam hat hanging from the barrel .
 Henry Alonzo Keller, Yankees, baseball
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Henry Alonzo Keller, Yankees, baseball