11050
" JoJo 's earliest memories of singing are performing songs by Etta James , Ella Fitzgerald , Mariah Carey and Whitney Houston for customers in hair salons .
 person: JoJo; person: Etta James; person: Ella Fitzgerald; person: Mariah Carey; person: Whitney Houston
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: JoJo; person: Etta James; person: Ella Fitzgerald; person: Mariah Carey; person: Whitney Houston