16991
Its border with Norfolk was formed by the River Waveney as it bends north on its final approaches to the sea , and Breydon Water .
 location: Norfolk
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: Norfolk 
Answer:
 location: Norfolk