Assertion: carbon monoxide poisoning | /r/HasSubevent | 20,000 emergency room visits
Facets:
value: a year
type: TEMPORAL
value: in the united states
type: LOCATION
Source sentences:
text: Carbon monoxide poisoning is relatively common, resulting in more than 20,000 emergency room visits a year in the United States.
text: Carbon monoxide poisoning is relatively common, resulting in more than 20,000 emergency room visits a year in the United States.