Assertion: lead | /r/CapableOf | build up in the body
Facets:
value: to cause health problems
type: PURPOSE
value: over months
type: TEMPORAL
value: gradually
type: MANNER
value: over years
type: TEMPORAL
Source sentences:
text: Lead poisoning occurs when lead builds up in the body, often over months or years.
text: However, lead can gradually build up in the body to cause health problems if exposure continues.