| pretrain: Data used when pre-training on VQAv2 | |
| image_features: Image features can be used by Lxmert and VisualBert during both pre-training, fine-tuning and inference. | |
| finetune: Data (e.g., knowledge, captions) used when training on OK-VQA | |
| validate: Data used during inference on validate sets of OK-VQA | |