Assertion: hummingbird's feeder | /r/HasProperty | soaked in a solution of chlorine bleach
Facets:
value: sooner
type: TEMPORAL
value: least once a month
type: TEMPORAL
Source sentences:
text: Because mold is deadly to hummingbirds, feeders should be soaked in a solution of chlorine bleach at least once a month, or sooner if black mold appears.