Scene: scene0629_00 (source dataset: scannet)
Grounding level: space_level — Distance Understanding
Referring expression: Add a new ceiling fan with a diameter of 1.2 meters and a height of 0.15 meters in the center of the room, positioned 0.4 meters from the ceiling.
Ground-truth 3D box: width 1.2 m, length 1.2 m, height 0.15 m; center (-0.34, 0, 1.66); rotation angle 0