356753
President Ronald Reagan was diagnosed with Alzheimer 's in 1994 , and released a letter to the American people announcing his affliction .
 person: Ronald Reagan; organization: Alzheimer
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: Ronald Reagan, Alzheimer 
Answer:
 person: Ronald Reagan; organization: Alzheimer