10572
Germany's MAN AG said Tuesday that it was selling 70 percent of its industrial services unit  MAN Ferrostaal   AG  for an undisclosed sum to the Abu Dhabi-based International Petroleum Investment Company .
 alternate names: MAN Ferrostaal, AG
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:  MAN Ferrostaal, AG 
Answer:
 alternate names: MAN Ferrostaal, AG