Scene: 8eabc410-5af7-2f32-844d-34726ad2dc7e (source dataset: 3RScan)
Grounding level: part_level — Function or Appearance
Referring expression: Choose the most unique piece of the whiteboard.
Ground-truth 3D box: width 1.63 m, length 0.17 m, height 1.58 m; center (-1.64, 3.31, 3.17); rotation angle 0