214655
In 1973 the program was overhauled and a department psychologist established the one ( 1 ) to seven ( 7 ) rating scale from ten thousand ( 10,000 ) behavioral descriptions from thirty-five hundred ( 3,500 ) D.O.R.s ( Daily Observation Reports ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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