107032
Sometimes the words is also used to mean signals that are random ( unpredictable ) and carry no useful information ; even if they are not interfering with other signals or may have been introduced intentionally , as in comfort noise .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None