sentences: when a mind of land receives more land than it can want , a drain occurs
docs: if settle occurs then migrate occurs. if come_round occurs then reconsider occurs. earth has more_water_than_land fate_of_commons is important_issue. irrigated_land is unnatural_thing. people has more_than_one_homes revenue_land is land. world has more_water_than_dry_land irrigated_land is cultivable_land. house has more_than_one_window