Assertion: thorium | /r/CapableOf | rest undisturbed
Facets:
value: on the laboratory shelves
type: LOCATION
value: in the years after its discovery
type: TEMPORAL
value: mostly
type: DEGREE
Source sentences:
text: In the years after its discovery, thorium rested mostly undisturbed on the laboratory shelves until called to duty to light up the streets and homes of the world's metropoles.