sapphire_1:
  price: 10
  estimate_of: sapphire (Treasure)

sapphire_2:
  price: 20
  estimate_of: sapphire (Treasure)

diamond:
  price: 30
  estimate_of: diamond (Treasure)

honda:
  price: 40
  estimate_of_type: Car
  estimate_of_id: 1