Assertion: bronze's copper | /r/HasProperty | tin
Facets:
value: in that
type: TEMPORAL
Source sentences:
text: Phosphor Bronze (or Tin Bronze): Copper, Tin ( 0.5% to 1.0%), phosphorous (0.01% to 0.35%).
text: Copper is an unusual metal in that, like silver, gold, and tin, it can appear in ``native" form -- that is, as a fairly pure metal, just lying around.
text: 6500 B.C. It wasn't until the second millennium B.C. that bronze (an alloy of copper and, commonly, tin) came into general use.