Scene: scene0015_00 (source dataset: scannet)
Grounding level: space_level — Size Understanding
Referring expression: Replace the backpack embedded in the chairs with a new one and increase its height to 0.6 meters, keeping the other dimensions unchanged.
Ground-truth 3D box: width 0.37 m, length 0.32 m, height 0.6 m; center (-1.12447744980934, 1.44771926488081, 0.790677747972741); rotation angle 0