Assertion: jellyfish's tentacle | /r/HasProperty | covered with cell
Facets:
Source sentences:
text: Each tentacle is covered with cells called cnidocytes that can sting and kill other animals.
text: Each tentacle is covered with cells called ‘cnidocytes’ (a type of venomous cell unique to the phylum ‘Cnidaria’), that can sting or kill other animals.