7815
Olivia Newton-John and John Travolta - `` You 're the One That I Want '' ( 1978 )
 Olivia Newton-John, John Travolta, You 're the One That I Want
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Olivia Newton-John, John Travolta, You 're the One That I Want