Assertion: polonium | /r/ObjectUse | used alexander litvinenko poisoning
Facets:
value: as a poison
type: MANNER
value: because of its very high toxicity
type: CAUSE
Source sentences:
text: Because of its very high toxicity, polonium can be used as a poison (see, for example, Alexander Litvinenko poisoning).
text: Because of its very high toxicity, polonium can be used as a poison (see, for example, Alexander Litvinenko poisoning).