What is the relationship between land and Seattle 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.

Skanska already operates in Washington, Seattle and Boston, where competition for prime land has made new projects harder to come by.

Answer: location_of_formation