context: Since the architect has a deep involvement in the success of a project, he must perform his work under a clearly defined contract.
source: Under this contract, the architect and the owner are under the obligation of the contract and must abide by it.
reference_original: Sob esse contrato, o arquiteto e o dono têm a obrigação contratual e devem cumpri-lo.
reference_flipped: Sob esse contrato, a arquiteto e o dono têm a obrigação contratual e devem cumpri-lo.