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.
In the context of the input sentence, determine the relationship between 'Kraft Heinz' and 'Cadbury'.
Options: subsidiary, director/manager, owner of, chief executive officer