The publishers that the Justice Department said conspired with Apple include Lagardere SCA's Hachette Book Group Inc, News Corp's HarperCollins Publishers LLC, Penguin Group Inc, CBS Corp's Simon & Schuster Inc and Verlagsgruppe Georg von Holtzbrinck GmbH's Macmillan.
What is the relationship between 'Hachette' and 'Book' in the context of the input sentence.
Options: product/material produced, manufacturer, owned by, subsidiary