Assertion: krypton | /r/HasProperty | found by sir william ramsay
Facets:
value: in great britain
type: LOCATION
value: in 1898
type: TEMPORAL
Source sentences:
text: Krypton was found by Sir William Ramsay and Morris Travers in Great Britain in 1898.
text: Krypton was found by Sir William Ramsay and Morris Travers in Great Britain in 1898.