Utilize the input text as a context reference, choose the right relationship between 'Amlin' and 'Insurance' from the options.
Options: industry, member of, business division, legal form

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