142602
Tathams merged with Stephenson Harwood - as the firm was by then known - in 1920 to form Stephenson Harwood & Tatham , shortening its name back to Stephenson Harwood in 1977 .
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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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