Assertion: crab | /r/Desires | blood
Facets:
value: to survive
type: PURPOSE
Source sentences:
text: Crabs need blood to survive, but they can live up to 24 hours off a human body.
text: Crabs need blood to survive, but they can live up to 24 hours off a human body.
text: While crabs need blood to survive, they can live up to 24 hours off a human body.