Assertion: narcotic's effect | /r/HasProperty | unpredictable
Facets:
Source sentences:
text: The effects of these drugs can be dangerous and unpredictable, as there is no quality control and some ingredients may not be known.
text: In fact, the actual effects of spice can be unpredictable and, in some cases, severe or cause death.
text: These effects, which depend on the amount of the drug taken, are also unpredictable—typically beginning within minutes of ingestion and lasting for several hours, although some users report feeling the drug’s effects for days.