Assertion: opium's morphine | /r/HasProperty | divided in two classes
Facets:
value: classically
type: MANNER
Source sentences:
text: Morphine has classically been divided in two classes, where class I (also known as "Morphine base") is a brown non-water-soluble powder made of concentrated opium and class II, after a chemical process, becomes a white water-soluble powder.