Utilize the input text as a context reference, choose the right relationship between 'Northern Trust' and 'Asset Management' from the options.
Options: location of formation, product/material produced, founded by, publisher

Asset Management at Northern Trust comprises Northern Trust Investments, Inc., Northern Trust Global Investments Limited, Northern Trust Global Investments Japan, K.K., NT Global Advisors, Inc. and investment personnel of The Northern Trust Company of Hong Kong Limited and The Northern Trust Company.
product/material produced