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In the next round , Lambert sang " Everybody Knows " by John Legend , which earned praise from the judges .
 person: Lambert; person: John Legend
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: Lambert, John Legend 
Answer:
 person: Lambert; person: John Legend