Scene: 6bde60d2-9162-246f-8dbf-dbd911924def (source dataset: 3RScan)
Grounding level: space_level — Commonsense Understanding
Referring expression: Stand in front of the toilet and install a ventilation system with a length of 0.78 meters, and both width and height of 0.3 meters on the ceiling. Ensure it is positioned exactly in the center of the ceiling between the toilet and the wall opposite the toilet to optimize air circulation.
Ground-truth 3D box: width 0.3 m, length 0.78 m, height 0.3 m; center (0.1559646663151512, -0.7317776104244809, 2.339977177881599); rotation angle 0