Lufthansa Group’s low-cost subsidiary Eurowings and UK low-cost carrier easyJet reportedly could become partners , Lufthansa Group chairman and CEO Carsten Spohr told German magazine Der Spiegel .
Refer to the input text as context and select the correct relationship between 'Lufthansa' and 'Carsten Spohr' from the available options.
Options: currency, chief executive officer, employer, subsidiary