Since the dawn of agriculture, farmers have planted new crops using seed gathered from prior harvests.
(seed; gathered; from prior harvests) (farmers; have planted; new crops; using seed; T:Since the dawn of agriculture) Context(farmers have planted,List([31, 51))):(farmers; have planted new crops using; seed gathered from prior harvests)
farmers have planted,List([31, 51))
seed farmers farmers
gathered have planted have planted new crops using
from prior harvests
new crops using seed T:Since the dawn of agriculture
seed gathered from prior harvests