Assertion: dragon's history | /r/HasProperty | unclear
Facets:
value: very
type: DEGREE
Source sentences:
text: Today, biology and natural histories of baleen or larger toothed whales in Chinese waters prior to exploitations are very unclear because at those times when academic studies or approaches to biology of cetaceans, or recordings of cetacean catches in coastal China started to develop, as whales were already in fewer numbers not enough for descent, feasible for academic accounts, catch recordings in local fisheries or industries weren't even conducted.