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Biography Mark Summer grew up in Los Angeles , California playing piano , guitar , and , starting at the age of nine , cello .
 person: Mark Summer; location: Los Angeles; location: California
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: Mark Summer; location: Los Angeles; location: California