Scene: scene0578_00 (source dataset: scannet)
Grounding level: space_level — Situation Understanding
Referring expression: When you see the whiteboard installed on the wall where the monitor is located, imagine placing a freestanding portable heater with a diameter of 0.3 meters and a height of 0.5 meters on the floor 0.2 meters directly in front of the whiteboard to keep warm during meetings.
Ground-truth 3D box: width 0.3 m, length 0.3 m, height 0.5 m; center (1.12, -0.31, 0.26); rotation angle 0