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.
In the context of the input sentence, determine the relationship between 'Direct Line' and 'insurance'.
Options: operator, product/material produced, platform, founded by