72641
More recently , D.E.G. Briggs and colleagues have made detailed studies of decay with the prime aim of understanding the profound halt to these processes that is required by exceptional preservation in lagerstätten .
 person: D.E.G. Briggs
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: D.E.G. Briggs 
Answer:
 person: D.E.G. Briggs