56645
At the time of the recording , Sinatra 's divorce from Ava Gardner had been finalized , and Nelson Riddle ( who wrote the album 's arrangements ) had recently suffered the deaths of his mother and daughter .
 Sinatra, Ava Gardner, Nelson Riddle
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sinatra, Ava Gardner, Nelson Riddle