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
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