50559
He has specialized in the philosophy of language , and is the author of three significant works concerning semantic meaning : Meaning ( OUP , 1972 ) , Remnants of Meaning ( MIT Press , 1987 ) , and The Things We Mean ( OUP , 2003 ) .
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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:  
Answer:
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