The problem of watering crops was solved by the irrigation system known as levadas simply-designed water channels that wound down from water sources on the verdant mountain tops.
There was a problem associated with the watering of crops.
mnli hypothesis: There was a problem associated with the watering of crops. premise: The problem of watering crops was solved by the irrigation system known as levadas simply-designed water channels that wound down from water sources on the verdant mountain tops.