What is the relationship between Nintendo and DeNA 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.

Nintendo in March unveiled plans to buy a stake in Tokyo-based mobile gaming company DeNA as part of a deal to develop smartphone games based on Nintendo's host of popular characters.

Answer: owner_of