8235
According to the spokesman of the  USDOT  the airline had utilised an aircraft which the  Federal Aviation Administration  had ordered to be grounded on flights to New York City and Baltimore on 24 and 26 July respectively .
 subsidiaries: USDOT, Federal Aviation Administration
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:  USDOT, Federal Aviation Administration 
Answer:
 subsidiaries: USDOT, Federal Aviation Administration