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.
In the context of the input sentence, determine the relationship between 'Lexus' and 'Toyota'.
Options: brand, director/manager, creator, owned by