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 .
Utilize the input text as a context reference, choose the right relationship between 'Lufthansa' and 'Eurowings' from the options.
Options: business division, product/material produced, member of, subsidiary