This week Britain’s largest motor insurer, Direct Line (Other OTC: DIISY - news ) , described driverless cars as an emerging risk which could have “a major impact on the size and nature of the insurance market and the role of insurers”.
Utilize the input text as a context reference, choose the right relationship between 'Direct Line' and 'insurance' from the options.
Options: chairperson, product/material produced, location of formation, creator