Utilize the input text as a context reference, choose the right relationship between 'Caltex' and 'Oil' from the options.
Options: employer, owner of, position held, product/material produced

Trading ex dividend today: APN Outdoor, Adacel Technologies, Blackmores, Caltex Australia, Canterbury Surrey Hills, Cardno, MMA Offshore, Oil Search, Phileo Australia, Ramsay Health Care, Saunders International, Service Stream, SpeedCast International.
product/material produced