(S (S (SBAR (IN As) (S (BASENP (NN sewage)) (VP (VBZ runs) (PP (IN through) (BASENP (DT the) (NNS streets)))))) (COMMA ,) (S (BASENP (JJ many) (NNPS Gazans)) (VP (VBP are) (VP (VBG trying) (S (VP (TO to) (VP (VP (VB flee) (BASENP (DT the) (NN area))) (PP (IN by) (S (S (VP (VBG storming) (NP (BASENP (DT the) (NN border)) (PP (IN with) (BASENP (NNP Egypt)))))) (COMMA ,) (NP (BASENP (DT a) (NN move)) (SBAR (SBAR (WHNP (WDT which)) (S (BASENP (JJ Egyptian) (NNS police)) (VP (VP (VBD blocked) (PP (IN on) (BASENP (NNP Sunday)))) (CC and) (VP (VBP are) (VP (VBG planning) (S (VP (TO to) (VP (VP (VP (VB do) (ADVP (RB so))) (ADVP (RB again))) (BASENP (NN today)))))))))) (SBAR (IN as) (S (BASENP (JJ Egyptian) (NNS leaders)) (VP (VP (VBD ordered) (BASENP (PRPD their) (NNS policemen))) (S (VP (TO to) (VP (VP (VB open) (BASENP (NN fire))) (PP (IN on) (NP (BASENP (NNPS Gazans)) (VP (VBG trying) (S (VP (TO to) (VP (VB flee) (PP (IN into) (BASENP (NNP Egypt)))))))))))))))))))))))))) (PERIOD .))