Assertion: tortoise | /r/CapableOf | feel threatened
Facets:
Source sentences:
text: Tortoises can retract their heads and all their limbs including their tails into their shells when they feel threatened or attacked by predators
text: When a tortoise feels threatened, it can hide its head and legs inside its shell.
text: Tortoises have large, stumpy limbs covered in hard scales which they can withdraw into their shell for protection against hot temperatures or when they feel threatened.