Assertion: dugong's number | /r/HasProperty | discovered around the aldabra atoll
Facets:
Source sentences:
text: In the Seychelles, dugongs had been regarded as extinct in 18th century until a small number was discovered around the Aldabra Atoll.
text: In the Seychelles, dugongs had been regarded as extinct in 18th century until a small number was discovered around the Aldabra Atoll.