Scene: scene0427_00 (source dataset: scannet)
Grounding level: space_level — Situation Understanding
Referring expression: Sit on the chair directly facing the gate and furthest from the gate, and place a new shelf that is 0.5 meters long, 0.25 meters deep, and 1 meter high in the corner of the wall to the right of the chair.
Ground-truth 3D box: width 0.5 m, length 0.25 m, height 1 m; center (1.18, -1.32, 0.54); rotation angle 90