Assertion: european plum | /r/HasProperty | self-fertile
Facets:
value: more often
type: DEGREE
value: partially
type: DEGREE
Source sentences:
text: Japanese plums are largely self-sterile, while European plums are more likely to be partially or fully self-fertile.
text: They are more often self-fertile; one variety, or even one tree, can be planted alone and still bear fruit.