(SINV (SINV (QT (DQL ``) (QTC (S (BASENP (DT That)) (VP (VBZ means) (SBAR (S (BASENP (NN everything)) (VP (VBZ has) (S (VP (TO to) (VP (VB be) (VP (VBN put) (PRT (RP back))))))))))) (COMMA ,)) (DQR '')) (SINV (VP (VBD said)) (NP (BASENP (NN researcher)) (PP (IN at) (NP (NP (NP (BASENP (DT the) (NNP Rift) (NNP Valley) (NNP Research) (NNP Service)) (PP (IN in) (BASENP (NNP Ethiopia)))) (CC and) (NP (BASENP (DT a) (NN co-author)) (PP (IN of) (BASENP (DT the) (NN study))))) (COMMA ,) (BASENP (NNP Berhane) (NNP Asfaw))))))) (PERIOD .))