309580
In his will dated 14 April 1747 , he describes himself as ' Chancellor and Secretary of the British Embassy at Constantinople ' .
 location: Constantinople
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: Constantinople 
Answer:
 location: Constantinople