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` ` It was a deep , eerie , unsettling feeling that something terribly , terribly wrong was happening , ' ' Assistant U . S . Attorney William Welch II went on .
 U . S, Assistant U . S . Attorney, Assistant U . S . Attorney William Welch II
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 U . S, Assistant U . S . Attorney, Assistant U . S . Attorney William Welch II