(S (S (BASENP (JJ Current) (NNS reports)) (VP (VBP say) (SBAR (SBAR (IN that) (S (QT (DQL ``) (BASENP (NN negligence)) (DQR '')) (VP (VBD was) (NP (BASENP (DT the) (JJ initial) (NN cause)) (PP (IN for) (BASENP (DT the) (NN pipe) (NN burst))))))) (CC and) (SBAR (IN that) (S (BASENP (EX there)) (VP (VBZ has) (VP (VBN been) (NP (NP (BASENP (DT a) (NN history)) (PP (IN of) (BASENP (NN negligence)))) (PP (IN from) (BASENP (DT the) (NN mine))))))))))) (PERIOD .))