11290
Of the tributaries of the River Trent that drain the south and east , the River Derwent is the most prominent .
 location: River Trent; location: River Derwent
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: River Trent, River Derwent 
Answer:
 location: River Trent; location: River Derwent