Assertion: amphetamine | /r/HasAspect | calming effect
Facets:
value: for unknown reasons
type: CAUSE
value: on some hyperactive children
type: TRANSITIVE-OBJECT
value: paradoxically
type: MANNER
Source sentences:
text: For unknown reasons, amphetamines have a paradoxically calming effect on some hyperactive children, but the use of these drugs to treat such children has been controversial.