10570
The hesitations and light-hearted style of comic piano , a vaudeville approach to piano made well known by Chico Marx and Jimmy Durante , are evident at rehearsal 22 .
 person: Chico Marx; person: Jimmy Durante
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: Chico Marx; person: Jimmy Durante