What is the relationship between Yum Brands and Pizza Hut 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.

The company has been outperforming rivals such as Yum Brands Inc's (YUM.N) Pizza Hut and McDonald's Corp (MCD.N) in the United States due to the digital investments, which make it easier for customers to order pizzas using methods such as smart watches and digital wallets.

Answer: subsidiary