3349
In this post ( in which he was retained by President William McKinley until 1898 ) he was from the first called upon to deal with a situation of great difficulty , which culminated with the destruction of the warship .
 person: William McKinley
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: William McKinley 
Answer:
 person: William McKinley