Utilize the input text as a context reference, choose the right relationship between lead and Japan from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

This could lead to more foreign takeovers, Mr James said, after Japan Post's $6.5 billion takeover of logistics giant Toll Holdings and the recently announced $8.9 billion deal for ports and rail operator Asciano by Canada's Brookfield infrastructure Partners.

Answer: location_of_formation