Lack of documentation and labeling

Can we get preprocess_questions_superclevr.py in PO3D-VQA/scripts/val.sh ?
Also i want to know what is label 'size_r' in 3D-Aware-VQA/PO3D-VQA/6D_pose_estimator/scripts/prepare_training_data.py line 126, i can't find it in scenes.json. 