Take context from the input text and decide on the accurate relationship between 'Amlin' and 'Insurance' from the options provided.
Options: legal form, industry, business division, member of

LONDON (ShareCast) - (ShareCast News) - Japan's Mitsui Sumitomo Insurance Company has agreed to buy UK insurer Amlin (LSE: AML.L - news ) for £3.47bn.
industry