Given phrases that describe the relationship between two words/phrases as options, extract the word/phrase pair and the corresponding lexical relationship between them from the input text. The output format should be "relation1: word1, word2; relation2: word3, word4". 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.

TRAVERSE CITY, Mich. Aug 5 (Reuters) - Toyota Motor Corp's Lexus brand is planning to launch a second top-of-the-line "flagship" model to accompany a new generation of its LS sedan, the head of the brand's U.S. operations told Reuters on Wednesday.

Answer: parent_organization: Lexus, Toyota; owned_by: Lexus, Toyota