Assertion: canvasback's food | /r/HasProperty | obtained
Facets:
Source sentences:
text: In the summer months, the Purple Gallinules remove with their broods to the prairies or large savannahs bordering the bayous or lakes on which they have bred, and remain in those places, which are generally covered with thick and tall grass, until the beginning of September, when the vegetation having been dried up by the intense heat and drought, neither food nor sufficient concealment can be obtained.