How To Make A Pimm's Cup

Pimm's says to "pile all the ingredients in a tall glass, mix and sip."  The ingredient amounts aren't specific, but a few slices of each fruit and a couple of mint springs should suffice.  Pimm's does give one additional tip, advising hosts to scale up the recipe: "Best make a jugful, you never know who’ll turn up at the sound of the ice tray leaving your freezer."