Assertion: shark | /r/HasProperty | efficient
Facets:
value: always
type: DEGREE
value: at
type: DEGREE
value: extremely
type: DEGREE
Source sentences:
text: Sharks are extremely efficient at what they do and have few natural predators, which is why they have survived for so long.
text: This is one of the reasons they are such effective hunters.
text: One of the main reasons sharks are such effective predators is their keenly attuned senses.
text: What's even more impressive is that they've hardly changed, suggesting that sharks have always been the effective killing machines we know today.