228140
Dredging the Seine 's riverbed was required in order to establish sound footings , and caisson s were employed for the deep foundation s here for the first time , half a century before Charles Labélye 's use of them at Westminster Bridge , London .
 person: Charles Labélye
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: Charles Labélye 
Answer:
 person: Charles Labélye