Assertion: marijuana's number | /r/CapableOf | double in past few years
Facets:
value: due in part to the fact
type: CAUSE
Source sentences:
text: A recent report found that the number of ER visits caused by this group of drugs doubled in the past few years, due in part to the fact that the drugs are ever-changing in chemical content and often made with contaminants that are unknown and dangerous in and of themselves.