41646
He began studying the Schillinger system in the late 1940s , but gave up music entirely after 1949 and spent the rest of his life working for the New York City subway .
 organization: New York City subway
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: New York City subway 
Answer:
 organization: New York City subway