10287
The  Colorado Midland Railway  came first under the control of the Atchison Topeka and Santa Fe Railway in 1890 later the  Colorado  Southern Railway and the Denver and Rio Grande Railroad in 1900 .
 subsidiaries: Colorado Midland Railway, Colorado
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  Colorado Midland Railway, Colorado 
Answer:
 subsidiaries: Colorado Midland Railway, Colorado