Scene: scene0144_00 (source dataset: scannet)
Grounding level: part_level — Function or Appearance
Referring expression: Please find out the mattress of the bed, as I want to replace it with another mattress of the same size.
Ground-truth 3D box: width 1.97 m, length 1.07 m, height 0.44 m; center (0.89, 0.88, 0.5099999999999999); rotation angle 0