Utilize the input text as a context reference, choose the right relationship between 'Lexus' and 'Toyota' from the options.
Options: chief executive officer, product/material produced, parent organization, manufacturer

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.
parent organization