Assertion: weka's range | /r/HasProperty | difficult to establish
Facets:
Source sentences:
text: The range of fruits eaten by the huia is difficult to establish: hinau (Elaeocarpus dentatus), pigeonwood (Hedycarya arborea) and various species of Coprosma are recorded by Buller, and they were also recorded as eating the fruits of kahikatea (Dacrycarpus dacrydioides).