Complex sentence: Jamaica Wine House, known locally as "the Jampot", is located in St Michael's Alley, Cornhill, and was the first coffee house in London and was visited by the English diarist Samuel Pepys in 1660.
Split into simpler sentences: Jamaica Wine House, known locally as "the Jampot", is located in St Michael's Alley, Cornhill. It was the first coffee house in London and was visited by the English diarist Samuel Pepys in 1660.