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.

The upward trend in car premiums for the last 12 months puts Hastings Insurance's IPO in a sweet spot and gives much needed relief to car insurance companies such as RSA Insurance Group Plc, Admiral Group Plc (LSE: ADM.L - news ) , Direct Line Insurance (Other OTC: DIISY - news ) Group Plc and esure Group Plc, which have been finding the market increasingly competitive.

Answer: product_or_material_produced