Assertion: river dolphin | /r/HasAspect | poor eyesight
Facets:
value: very
type: DEGREE
value: unlike other species of dolphin
type: OTHER
Source sentences:
text: Amazon river dolphins have small eyes and poor eyesight because they live in murky waters (with low visibility).
text: Unlike other species of dolphin the Amazon river dolphin has very poor eyesight and cannot rely on its eyes to search for food or navigate the rivers.