Utilize the input text as a context reference, choose the right relationship between Japan Post Holdings and Japan Post 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.

And then given the current status and the announcement that they have made, Japan Post Holdings CEO, Mr. Masuda said, that with this clarity on Japan Post framework for disciplinary action, the Japan Post Group has largely met the five evaluation criteria established by the Japan Post Reform Execution Committee for resuming sales activities.

Answer: subsidiary