Assertion: apple | /r/HasProperty | self-incompatible
Facets:
value: to develop fruit
type: PURPOSE
Source sentences:
text: Apples are self-incompatible; they must cross-pollinate to develop fruit.
text: Apples are considered self-incompatible, because a commercial crop must be cross-pollinated.
text: removing the male parts of the flowers on the female parent to prevent any self-pollination (although this is unlikely because apples are self-incompatible)