GOLD:hasPurpose:to make valuable jewelry and coins
GOLD:hasSize:0
GOLD:hasSyllables:1
GOLD:isa:Metal
GOLD:lifeArea:Physical
IRON:hasPurpose:to make steel
IRON:hasSize:0
IRON:hasSyllables:2
IRON:isa:Metal
IRON:lifeArea:Physical
SILVER:hasPurpose:to color like a mirror
SILVER:hasSize:0
SILVER:hasSyllables:2
SILVER:isa:Color
SILVER:lifeArea:Physical