Hardknott Pass, with gradients of 1:3, is the mother of all Lakeland passes; the road is narrow and steep and twists like a switch-back ride.
Hardknott Pass is flat.
mnli hypothesis: Hardknott Pass is flat. premise: Hardknott Pass, with gradients of 1:3, is the mother of all Lakeland passes; the road is narrow and steep and twists like a switch-back ride.