Scene: scene0015_00 (source dataset: scannet)
Grounding level: object_level — Dimensionality
Referring expression: Point out the whiteboard with a length over 3 meters, typically used for writing notes in an open area space.
Ground-truth 3D box: width 3.33 m, length 0.24 m, height 1.07 m; center (0.69, 3.06, 1.52); rotation angle 0