23687
Her influence on pop culture is reflected by the many performers covering her songs , including mainstream and crossover artists such as Olivia Newton-John , Emmylou Harris , and Linda Ronstadt .
 person: Olivia Newton-John; person: Emmylou Harris; person: Linda Ronstadt
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: Olivia Newton-John, Emmylou Harris, Linda Ronstadt 
Answer:
 person: Olivia Newton-John; person: Emmylou Harris; person: Linda Ronstadt