Take context from the input text and decide on the accurate relationship between 'Kraft Heinz' and 'Cadbury' from the options provided.
Options: subsidiary, owner of, chief executive officer, director/manager

BOSTON/NEW YORK Aug 6 Billionaire investor William Ackman's success at Mondelez International Inc may depend largely on a calculation that nimbler rival Kraft Heinz Co will soon snap up the maker of Cadbury chocolate and Oreo cookies, sources familiar with Ackman's approach said.
subsidiary