Take context from the input text and decide on the accurate relationship between 'AMLIN' and 'INSURANCE' from the options provided.
Options: legal form, industry, stock exchange, manufacturer

PURSUANT TO THE IRREVOCABLE UNDERTAKING ENTERED INTO BY MR PETERKEN ON 7 SEPTEMBER 2015 IN CONNECTION WITH THE RECOMMENDED CASH OFFER FOR AMLIN PLC BY MITSUI SUMITOMO INSURANCE COMPANY, LIMITED MR PETERKEN AND HIS SPOUSE CANCELLED THEIR DIVIDEND REINVESTMENT ARRANGEMENTS
industry