Scene: scene0647_00 (source dataset: scannet)
Grounding level: object_level — Distance Understanding
Referring expression: Which couch is 0.2 meters away from the backpack?
Ground-truth 3D box: width 0.6 m, length 1.57 m, height 0.91 m; center (2.06, 2.57, 0.49); rotation angle 0