Scene: scene_00106_00 (source dataset: multiscan)
Grounding level: part_level — Function or Appearance
Referring expression: Choose the backrest part from the chair adjacent to the windowsill.
Ground-truth 3D box: width 0.22 m, length 0.53 m, height 0.45 m; center (-1.8, -0.73, 0.7200000000000001); rotation angle 0