Assertion: drug's effect | /r/HasProperty | opposite
Facets:
value: sometimes
type: TEMPORAL
value: to that of the main drug
type: OTHER
Source sentences:
text: Antagonists, if they bind directly to the receptor's main locus but their effect is opposite to that of the main drug.
text: They typically have no sedative effects (sometimes the opposite) and there is usually a clearcut memory to their effects.