Scene: 47204578 (source dataset: arkitscene_valid)
Grounding level: space_level — Size Understanding
Referring expression: Keep the center position of the large sofa unchanged and retain the leather interior while reducing its length by half.
Ground-truth 3D box: width 1.11 m, length 1.5 m, height 0.83 m; center (1.37000000000001, 1.41, 0.75); rotation angle 90