8833
His brother Julian Huxley and half-brother Andrew Huxley also became outstanding biologists .
 person: Julian Huxley; person: Andrew Huxley
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: Julian Huxley, Andrew Huxley 
Answer:
 person: Julian Huxley; person: Andrew Huxley