(S (S (PP (IN In) (NP (BASENP (NNP Goma)) (COMMA ,) (PP (IN on) (NP (BASENP (DT the) (JJ eastern) (NN side)) (PP (IN of) (NP (NP (BASENP (DT the) (NNP Democratic) (NNP Republic)) (PP (IN of) (BASENP (DT the) (NNP Congo)))) (PRN (LRB -LRB-) (BASENP (NNP DRC)) (RRB -RRB-)))))))) (COMMA ,) (S (S (NP (NP (QP (ADVP (IN at) (JJS least)) (NN 70)) (NNS people)) (PRN (COMMA ,) (PP (VBG according) (PP (TO to) (BASENP (NNS officials)))) (COMMA ,))) (VP (VBP have) (VP (VBN died)))) (SBAR (IN because) (SBAR (WHADVP (WRB when)) (S (BASENP (DT a) (NNP McDonnell) (NNP Douglas) (NNP DC-9)) (VP (VP (VBD crashed) (PRT (RP on))) (S (VP (VP (VB take) (PRT (RP off))) (BASENP (NN yesterday)))))))))) (PERIOD .))