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The westernmost point of the United States by travel , not longitude , which is in Guam , is also named Point Udall , in honor of Stewart 's brother , Morris Udall .
 Udall, Stewart, Morris Udall
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Udall, Stewart, Morris Udall