Joined Cases C-497/09, C-499/09, C-501/09 and C-502/09: Judgment of the Court (Third Chamber) of 10 March 2011 (references for a preliminary ruling from the Bundesfinanzhof (Germany)) — Finanzamt Burgdorf (C-497/09), CinemaxX Entertainment GmbH & Co. KG, formerly Hans-Joachim Flebbe Filmtheater GmbH & Co. KG (C-499/09), Lothar Lohmeyer (C-501/09), Fleischerei Nier GmbH & Co. KG (C-502/09) v Manfred Bog (C-497/09), Finanzamt Hamburg-Barmbek-Uhlenhorst (C-499/09), Finanzamt Minden (C-501/09), Finanzamt Detmold (C-502/09) (Taxation — VAT — Sixth Directive 77/388/EEC — Articles 5 and 6 — Classification of a commercial activity as a ‘supply of goods’ or a ‘supply of services’ — Supply of food or meals for immediate consumption from snack stalls or mobile snack bars — Supply in a cinema of popcorn and tortilla chips (nachos) for immediate consumption — Party catering service — Annex H, category 1 — Interpretation of the term ‘foodstuffs’ )