The western door of the pair is open; the eastern door was bricked up after the Crusaders lost Jerusalem in 1187 and has remained shut ever since.
The western door have never been used by senior citizens.
mnli hypothesis: The western door have never been used by senior citizens. premise: The western door of the pair is open; the eastern door was bricked up after the Crusaders lost Jerusalem in 1187 and has remained shut ever since.