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Likewise , William Shakespeare , in a speech in " Romeo and Juliet " ( 1592 ) has an " elf-lock " ( tangled hair ) being caused by Queen Mab , who is referred to as " the fairies ' midwife " .
 person: William Shakespeare; person: Mab
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: William Shakespeare, Mab 
Answer:
 person: William Shakespeare; person: Mab