298407
From there he studied at the University of London , and obtained a Ph.D. in chemical engineering , with first-class honours in chemistry , in 1930 .
 organization: University 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: University of London 
Answer:
 organization: University of London