Assertion: opium | /r/MadeOf | morphine
Facets:
Source sentences:
text: Opium contains both narcotic alkaloids (such as morphine and codeine) and non-narcotic alkaloids (such as the antispasmodic drug, papaverine).
text: Opium, from poppy seeds, contains several opioid compounds, including morphine and codeine.
text: Opium contains morphine and codeine, both effective painkillers.
text: Opium contains alkaloids including morphine, codeine and thebaine.