What is the relationship between flying and Aviation 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.

At Aviation and GECAS many of the drivers we saw in March airlines conserving cash not flying the planes they have limiting maintenance spend and deferring orders are still relevant today.

Answer: industry