Assertion: onion's top | /r/CapableOf | turn brown
Facets:
value: in a day
type: TEMPORAL
Source sentences:
text: The green tops of the onions will turn brown and fall over when the onions are mature.
text: After the tops turn brown in a day or two, lift the bulbs with a garden fork on a sunny day, and leave them to dry in the sun.
text: 12 Dig the red onions when the tops turn brown and fall over.