49439
In 1790 ( although secondary sources give the date as 1773 or 1788 ) , the Marquis de Condorcet suggested that it would be easier to make the annular sections separately and assemble them on a frame ; but even that was impractical at the time .
 person: Marquis de Condorcet
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Marquis de Condorcet 
Answer:
 person: Marquis de Condorcet