In the context of the input sentence, determine the relationship between 'Esure' and 'Insurance'.
Options: developer, creator, industry, location of formation

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”.
industry