5075
To experimentally investigate the issue he recruited Bernard Kettlewell in 1952 under a grant from Nuffield Foundation .
 person: Bernard Kettlewell; organization: Nuffield Foundation
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: Bernard Kettlewell, Nuffield Foundation 
Answer:
 person: Bernard Kettlewell; organization: Nuffield Foundation