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She was placed in rehab at the age of 13 , A suicide attempt at 14 put her back in rehab , followed by a three-month stay with singer David Crosby and his wife .
 David Crosby
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 David Crosby