Assertion: alkaloid's use | /r/CapableOf | rise across north america
Facets:
value: dramatically
type: MANNER
value: over the last 5 years
type: TEMPORAL
Source sentences:
text: Interest in and use of the psychoactive plant Mitragyna speciosa (kratom) has risen dramatically across North America and Europe over the last 5 years (Singh, Narayanan, & Vicknasingam, 2016 ), (Figure 1 a,b).