What is the relationship between American Airlines and American Airlines Group in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

MAJOR EUROPEAN COMPANIES REPORTING: Danone SA Half Year 2015 Danone SA Earnings Release Mapfre SA Half Year 2015 Mapfre SA Earnings Release Sika AG Half Year 2015 Sika AG Earnings Release Faurecia SA Half Year 2015 Faurecia SA Earnings Release Wereldhave NV Half Year 2015 Wereldhave NV Earnings Release SES SA Half Year 2015 SES SA Earnings Release Vodafone Group PLC Vodafone Group PLC Interim Management Statement for the quarter ended 30 June 2015 Pearson PLC Half Year 2015 Pearson PLC Earnings Release Hammerson PLC Half Year 2015 Hammerson PLC Earnings Release BASF SE Q2 2015 BASF SE Earnings Release Edenred SA Half Year 2015 Edenred SA Earnings Release Air France KLM SA Q2 2015 Air France KLM SA Earnings Release Huhtamaki Oyj Q2 2015 Huhtamaki Oyj Earnings Release Anglo American PLC Half Year 2015 Anglo American PLC Earnings Release Banco de Sabadell SA Q2 2015 Banco de Sabadell SA Earnings Release MAJOR U.S. COMPANIES REPORTING : American Airlines Q2 2015 American Airlines Group Group Inc Inc Earnings Release Xerox Corp Q2 2015 Xerox Corp Earnings Release State Street Corp Q2 2015 State Street Corp Earnings Release Moody's Corp Q2 2015 Moody's Corp Earnings Release First Niagara Q2 2015 First Niagara Financial Financial Group Inc Group Inc Earnings Release AbbVie Inc Q2 2015 AbbVie Inc Earnings Release Biogen Inc Q2 2015 Biogen Inc Earnings Release MAJOR MACROECONOMIC DATA/EVENTS (GMT) : 0700 FR Markit PMI 0730 DE Markit PMI 0800 EZ Markit PMI 0800 IT Wage Inflation 1345 US Markit PMI 1400 US New Home sales 1430 US ECRI

Answer: parent_organization