Assertion: cormorant's egg | /r/HasProperty | oiled
Facets:
Source sentences:
text: Eggs in more than 3,000 ground nests were oiled to prevent hatching.
text: In order to reduce breeding success, nests with eggs were removed (Barycz Valley, dolnośląskie) and eggs were oiled (Raszyn fish-ponds, mazowieckie).