(QT (DQR '') (QTC (S (NP (BASENP (DT The) (NN number) (NN one) (NN recommendation)) (PERIOD ...)) (VP (VBZ is) (S (VP (TO to) (VP (VB look) (S (VP (TO to) (VP (VB improve) (NP (BASENP (JJ rain-fed) (NNS systems)) (PP (IN in) (NP (BASENP (NNP Sub-Saharan) (NNP Africa)) (CC and) (BASENP (NNP South) (NNP Asia))))))))))))) (PERIOD .)) (DQR ''))