Assertion: quince's fruit | /r/HasProperty | sour
Facets:
value: very
type: DEGREE
Source sentences:
text: The apple shaped fruit is very sour and is sometimes used to give flavor to stewed or baked apples.
text: Quince fruit is very tart and sour even when mature, and is seldom eaten raw though it does sweeten up if left to get soft after picking.