Diagonally opposite Jaffa Gate is the narrow entrance to David Street, the main thoroughfare of the Old City
David Street is hard to find, but can lead you to history you don't want to miss. 
mnli hypothesis: David Street is hard to find, but can lead you to history you don't want to miss.  premise: Diagonally opposite Jaffa Gate is the narrow entrance to David Street, the main thoroughfare of the Old City