{
 "question": "The hollow from a three-quarter view: is straight-down a gimmick the relation depends on?",
 "camera": {
  "pos": [
   4,
   20,
   -20
  ],
  "look": [
   0,
   2,
   2
  ],
  "fov": 42
 },
 "light": {
  "dir": [
   -0.9,
   1.0,
   0.2
  ],
  "power": 1.1,
  "ambient": 0.05,
  "soft": 12
 },
 "table": 0.55,
 "wall": null,
 "sky": 0.2,
 "objects": [
  {
   "type": "cup",
   "at": [
    1,
    2.5
   ],
   "r": 4.4,
   "h": 6.8,
   "handle": 160,
   "albedo": 0.95
  },
  {
   "type": "apple",
   "at": [
    -8.5,
    -2
   ],
   "r": 4.0,
   "albedo": 0.45
  }
 ],
 "decision": "challenge passed by the favourite: straight-down is what lets the rim separate inside and outside darks"
}