Assertion: anise's oil | /r/HasProperty | e.g. copper salts
Facets:
Source sentences:
text: It is widely accepted that reports of hallucinogenic effects of absinthe were attributable to the poisonous adulterants being added to cheaper versions of the drink in the 19th century, such as oil of wormwood, impure alcohol, and poisonous colouring matter (e.g. copper salts).