Assertion: sea cucumber's body | /r/HasProperty | elongated
Facets:
Source sentences:
text: Sea cucumbers are marine animals that have a leathery skin and elongated body.
text: It has an elongated cylindrical body, which ranges from a few centimeters to a few meters in length.
text: Generally found on the seafloor, they possess leathery skin and an elongated body containing a single-branched gonad.