Your team is part of an international company utilizing Google Cloud Platform (GCP) for developing, training, and deploying various machine learning (ML) models. The team is currently focused on enhancing efficiency and speed in the workflow. A new project requires the rapid development of an R-CNN model for recognizing photographic images of collaborators and consultants, with the constraint of not starting from scratch to save time and resources. Given the need for a solution that is optimized for GCP and can leverage pre-trained models to accelerate development, which of the following tools would be the most optimal choice? (Choose one correct option)