Scene: scene_00109_00 (source dataset: multiscan)
Grounding level: space_level — Commonsense Understanding
Referring expression: In front of the gray leather sofa, which has a backpack on it, add an elliptical carpet with a diameter of 1.1 meters, ensuring the center of the carpet aligns with the center of the sofa.
Ground-truth 3D box: width 1.1 m, length 1.1 m, height 0.02 m; center (-1.79358387779432, 0.04105692506129399, 0.04031867574178993); rotation angle 0