Utilize the input text as a context reference, choose the right relationship between Lexus and Toyota 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.

Deliveries slumped 8.2 per cent for the Toyota and Lexus brands and 13 per cent for Daihatsu.

Answer: parent_organization