Assertion: plutonium | /r/HasProperty | needed
Facets:
value: for making atomic weapons
type: PURPOSE
Source sentences:
text: Marty later uses the DeLorean to flee from Libyan terrorists and is transported to 1955 after accidentally activating the time circuits, but without the plutonium that is needed to power it.
text: More easily fissile than uranium-235, plutonium is wanted for making atomic weapons or to propel aircraft carriers and submarines.