Scene: scene0686_00 (source dataset: scannet)
Grounding level: space_level — Commonsense Understanding
Referring expression: Stand in front of the mirror, and place a small foot mat measuring 0.5m x 0.7m, with a thickness of 0.02 meters, on the floor at the very center in front of the sink, aligned with the outer edge of the sink, to provide a standing area.
Ground-truth 3D box: width 0.5 m, length 0.7 m, height 0.02 m; center (0.78, 0.26, 0.02); rotation angle 90