90038
His alma mater , St Mary 's Hospital Medical School , merged with Imperial College London in 1988 .
 organization: St Mary 's Hospital Medical School; organization: Imperial College 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: St Mary 's Hospital Medical School, Imperial College London 
Answer:
 organization: St Mary 's Hospital Medical School; organization: Imperial College London