Scene: scene0208_00 (source dataset: scannet)
Grounding level: object_level — Dimensionality
Referring expression: Which bookshelf has a length approximately 2.7 meters and close to the bench?
Ground-truth 3D box: width 0.9 m, length 2.7 m, height 1.85 m; center (-0.5, -0.55, 0.84); rotation angle 0