Assertion: anthrax | /r/MadeOf | silica
Facets:
value: to make
type: PURPOSE
Source sentences:
text: While experts consulted by the FBI believed early in the investigation that the anthrax might contain silica or other sophisticated additives to make it float more easily in the air, the consensus now is that no additives are present and that the anthrax was probably made using a relatively simple process, the scientists say.