Assertion: pineapple's crown | /r/ObjectUse | used for propagation
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: The crowns from the top of the fruit are usually used for propagation because pineapples contain no viable seeds; occasionally, slips from the base of the fruit or suckers are used if planting material is in short supply.
text: The crowns from the top of the fruit are usually used for propagation because pineapples lack viable seeds; occasionally, slips from the base of the fruit or suckers are used if planting material is in short supply.3