Scene: scene0015_00 (source dataset: scannet)
Grounding level: object_level — Distance Understanding
Referring expression: Select the chair whose backrest is against the wall and is approximately 0.7 meters away from the wall with a longer blackboard on it
Ground-truth 3D box: width 0.61 m, length 0.53 m, height 0.79 m; center (2.15, 2.16, 0.63); rotation angle 0