Take context from the input text and decide on the accurate relationship between 'Direct Line' and 'insurance' from the options provided.
Options: original broadcaster, subsidiary, chief executive officer, product/material produced

Hastings will join the likes of Admiral, Direct Line (Other OTC: DIISD - news ) and Esure on the stock market at a time when the broader insurance industry is witnessing a deluge of takeover activity.
product/material produced