Utilize the input text as a context reference, choose the right relationship between 'Direct Line' and 'Insurance' from the options.
Options: product/material produced, brand, director/manager, legal form

Admiral Group became FTSE 100 leader with a 65p, or 4.5pc, gain to £15.18, RSA Insurance rose 2.2pc to 440.2p, Direct Line advanced 0.7pc to 359.1p and mid-cap insurer Esure climbed 1.9pc to 269.3p.
product/material produced