Assertion: septic tank's job | /r/HasProperty | to hold the wastewater
Facets:
value: float to the top
type: MANNER
value: for solids
type: PURPOSE
value: long enough
type: TEMPORAL
Source sentences:
text: Its job is to hold the wastewater long enough for solids to settle to the bottom (forming sludge) and for the oil and grease to float to the top (as scum).