Assertion: opium's morphine | /r/HasProperty | responsible for the action of powdered opium
Facets:
Source sentences:
text: Morphine, the major active principle of powdered opium, is responsible for the action of powdered opium although the other alkaloids present also contribute to it.
text: Morphine, the major active principle of powdered opium, is responsible for the action of powdered opium although the other alkaloids present also contribute to it.