3400
Several coastal areas were lost to Francia during the reign of Louis the Pious ( 814 – 840 ) .
 location: Francia; person: Louis the Pious
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: Francia, Louis the Pious 
Answer:
 location: Francia; person: Louis the Pious