Assertion: dugong's vision | /r/HasProperty | limited
Facets:
Source sentences:
text: With very small eyes, dugongs have limited vision, but acute hearing within narrow sound thresholds.
text: With very small eyes, dugongs have limited vision, but acute hearing within narrow sound thresholds.
text: With very small eyes,  dugongs have limited vision, but acute hearing within narrow sound thresholds.
text: With very small eyes, dugongs have limited vision, but acute hearing within narrow sound thresholds.