Scene: scene0222_00 (source dataset: scannet)
Grounding level: part_level — Function or Appearance
Referring expression: Find the mattress of the bed opposite the door.
Ground-truth 3D box: width 1.04 m, length 1.84 m, height 0.22 m; center (-1.16, -2.099999999999999, 0.6400000000000001); rotation angle 0