Take context from the input text and decide on the accurate relationship between 'Hachette' and 'Book' from the options provided.
Options: manufacturer, product/material produced, subsidiary, owned by

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.
product/material produced