Assertion: tarsier's hearing | /r/HasProperty | keen
Facets:
Source sentences:
text: The tarsier uses its excellent vision and keen hearing to hunt.
text: The tarsier uses its excellent vision and keen hearing to hunt.
text: Its keen hearing helps it not only to avoid predators, such as wild cats, but also to locate prey.
text: Its keen hearing helps it not only to avoid predators, such as wild cats, but also to locate prey.