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The park was popular throughout the 1950s and 1960s and it attracted many of the top entertainers of the era , including Johnny Cash , Jerry Lee Lewis , The Righteous Brothers , Roy Acuff and Conway Twitty .
 person: Johnny Cash; person: Jerry Lee Lewis; person: Roy Acuff; person: Conway Twitty
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Johnny Cash, Jerry Lee Lewis, Roy Acuff, Conway Twitty 
Answer:
 person: Johnny Cash; person: Jerry Lee Lewis; person: Roy Acuff; person: Conway Twitty