Assertion: echinoderm's arm | /r/HasProperty | lost
Facets:
Source sentences:
text: Sea stars are well-known for their ability to regenerate arms that are lost.
text: When an arm is lost, brittle stars often regenerate the lost limb.
text: The process takes quite a lot of time and probably around one year depend on how many arms that is lost.
text: Ophiuroids can readily regenerate lost arms or arm segments unless all arms are lost.