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Joseph E. Johnston arrived from the Shenandoah Valley by railroad , and the course of the battle quickly changed .
 person: Joseph E. Johnston; location: Shenandoah Valley
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: Joseph E. Johnston, Shenandoah Valley 
Answer:
 person: Joseph E. Johnston; location: Shenandoah Valley