Sentence: 'In addition to the annual meeting of the WEF in Davos , different regional annual summits are held , for example the Southern Africa Economic Summit in Durban , the Central and Eastern Economic Summit in Salzburg , the Asia Pacific Summit in Melbourne , the India Economic Summit in New Delhi , as well as the Middle East/North Africa Economic Summit .', Argument/Subject 1: 'wef', Argument/Subject 2: 'davo'
be hold in