What is the relationship between 'Direct Line' and 'Insurance' in the context of the input sentence.
Options: original broadcaster, director/manager, brand, product/material produced

Thu, Sep 3, 2015, 13:04 BST - UK Markets close in 3 hrs 26 mins Is Redde PLC A Better Buy Than Aviva plc, Direct Line Insurance Group PLC & Admiral Group plc?
product/material produced