Scene: scene0030_00 (source dataset: scannet)
Grounding level: object_level — Dimensionality
Referring expression: Which object in the back of the room occupies the most vertical space, over 2 meters tall, and supports various smaller items?
Ground-truth 3D box: width 0.38 m, length 2.11 m, height 2.03 m; center (-2.22, -1.94, 1); rotation angle 0