What is the relationship between 'Lexus' and 'Toyota' in the context of the input sentence.
Options: operator, brand, owned by, owner of

American Express is the only network not providing coverage on the rental of some SUVs including a Chevrolet Suburban or Tahoe, GMC Yukon, Ford Expedition, Lincoln Navigator, Toyota Land Cruiser, Lexus LX450, Range Rover, and full-sized Ford Bronco.
owned by