(S (S (S (NP (BASENP (NNS Billions)) (PP (IN of) (NP (BASENP (NNS people)) (PP (IN in) (BASENP (NNP Asia) (CC and) (NNP Africa)))))) (VP (ADVP (RB already)) (VP (VP (VBD faced) (BASENP (NN water) (NNS shortages))) (PP (IN because) (PP (IN of) (BASENP (JJ poor) (NN water) (NN management))))))) (COMMA ,) (S (BASENP (PRP he)) (VP (VBD said)))) (PERIOD .))