Scene: scene0663_00 (source dataset: scannet)
Grounding level: space_level — Size Understanding
Referring expression: Next to the four-tier black stainless steel shelving unit by the door, place a storage rack closely against it. Ensure that the height of the new shelf is half that of the existing shelving unit.
Ground-truth 3D box: width 0.43 m, length 1.66 m, height 0.92 m; center (-0.88, 1.55, 0.4); rotation angle 0