Utilize the input text as a context reference, choose the right relationship between Direct Line and Insurance from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Admiral Group (LSE: ADM.L - news ) , Direct Line , RSA Insurance (LSE: RSA.L - news ) and Esure made gains as Andreas van Embden, of Peel Hunt, said the index served as “an encouraging sign that a measure of discipline is returning to the motor market”.

Answer: product_or_material_produced