Assertion: sea cucumber's tube foot | /r/LocatedNear | their mouths
Facets:
Source sentences:
text: Most sea cucumbers are scavengers, moving along the seafloor and feeding on tiny particles of algae or microscopic marine animals collected with tube feet that surround their mouths.
text: Surrounding its mouth are ten to thirty modified tube feet.
text: Most sea cucumbers are scavengers, moving along the seafloor and feeding on tiny particles of algae or microscopic marine animals collected with tube feet that surround their mouths.