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.

Traditionally in Australia, the Prime Minister has taken the lead in managing relations with the United States, China, Indonesia, Japan and, perhaps anachronistically, New Zealand.
location_of_formation