Scene: scene0050_00 (source dataset: scannet)
Grounding level: space_level — Size Understanding
Referring expression: Adjust the dimensions of the piano by increasing its width to one-fifth of the current size. The expanded piano remains in the original corner of the wall, maintaining all previous relationships with the surrounding objects.
Ground-truth 3D box: width 1.49 m, length 0.81 m, height 0.99 m; center (-1.15, -2.04, 0.53); rotation angle 0