9547
He appeared in the tenth episode of the fourth season , where it was rumored by the characters that he would get in a fight with famed cellist Yo-Yo Ma , who also appeared in the episode .
 person: Yo-Yo Ma
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Yo-Yo Ma