Write the following list of characters into a correctly formed sentence: SevencountriesoftheOrganisationforEuropeanEconomicCo-operation(OEEC),namelyAustria,Denmark,Norway,Portugal,Sweden,SwitzerlandandtheUnitedKingdom,decidetoestablishaEuropeanFreeTradeAssociation(EFTA).
Seven countries of the Organisation for European Economic Co-operation (OEEC), namely Austria, Denmark, Norway, Portugal, Sweden, Switzerland and the United Kingdom, decide to establish a European Free Trade Association (EFTA).