Assertion: buckwheat's seed | /r/CapableOf | make food
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Source sentences:
text: He could see the evening gatherings, held on the circle of the threshing- floors, because that was the only level ground; could see the wonderful unnamed green of the young rice, the indigo blues of the Indian corn, the dock-like patches of buckwheat , and, in its season, the red bloom of the amaranth, whose tiny seeds, being neither grain nor pulse, make a food that can be lawfully eaten by Hindus in time of fasts.