52093
The first of these new developments was seized up by Edmond Laguerre and Arthur Cayley , who attempted to ascertain the generalized metric properties of projective space .
 person: Edmond Laguerre; person: Arthur Cayley
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: Edmond Laguerre, Arthur Cayley 
Answer:
 person: Edmond Laguerre; person: Arthur Cayley