Refer to the input text as context and select the correct relationship between 'Sun Pharmaceutical' and 'Ranbaxy Laboratories' from the available options.
Options: operator, parent organization, owned by, subsidiary

MUMBAI, Sept 10 (Reuters) - Sun Pharmaceutical Industries Ltd, India's largest drugmaker by sales, said it is looking to divest a manufacturing plant in Ireland as it tries to control costs that have spiralled since it bought Ranbaxy Laboratories Ltd.
subsidiary