Assertion: leaf's tissue | /r/HasProperty | a sugar sink
Facets:
value: normally
type: DEGREE
value: to become
type: PURPOSE
Source sentences:
text: Whenever a plant needs sugar, like at night or in the winter when photosynthesis doesn’t occur as well, the plant can break down its starches into simple sugars, which allows a tissue that would normally be a sugar sink to become a sugar source.