Scene: scene0686_00 (source dataset: scannet)
Grounding level: object_level — Dimensionality
Referring expression: Locate the object whose width and length are both near 0.5 meters.
Ground-truth 3D box: width 0.52 m, length 0.47 m, height 0.54 m; center (0.81, 0.72, 0.65); rotation angle 0