Mitsui Sumitomo Insurance said it had agreed to buy British insurer Amlin Plc (LSE: AML.L - news ) in a cash deal that values the latter at about 3.46 billion pounds ($5.31 billion)
Take context from the input text and decide on the accurate relationship between 'Amlin' and 'Insurance' from the options provided.
Options: brand, industry, position held, headquarters location