Scene: scene0081_00 (source dataset: scannet)
Grounding level: object_level — Dimensionality
Referring expression: Find the couch on the left side that spans about 3.2 meters in length.
Ground-truth 3D box: width 0.7 m, length 3.24 m, height 1.07 m; center (0.86, 1.07, 0.57); rotation angle 0