Assertion: thorium | /r/HasProperty | benign
Facets:
Source sentences:
text: However, a group of nuclear engineers argues in Nature (2012) that the protactinium pathway is feasible and that thorium is thus "not as benign as has been suggested . . .
text: However, a group of nuclear engineers argues in (2012) that the protactinium pathway is feasible and that thorium is thus "not as benign as has been suggested . . .