1572
William Ernest Bush was a fellow of the Chemical Society of London .
 person: Ernest Bush; organization: Chemical Society of London
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: Ernest Bush, Chemical Society of London 
Answer:
 person: Ernest Bush; organization: Chemical Society of London