(S (S (NP (BASENP (DT The) (NN flooding)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (VP (VBN devastated) (NP (BASENP (NNS cities)) (PP (IN in) (BASENP (JJ eastern) (NNP Iowa))))))))) (VP (VP (VBZ has) (VP (VBN traveled) (ADVP (RB downstream)))) (CC and) (VP (VBZ is) (VP (ADVP (RB now)) (VP (VBG threatening) (NP (NP (BASENP (NNP Iowa) (NNP City)) (CC and) (BASENP (NNP Coralville))) (COMMA ,) (SBAR (WHNP (BASENP (DT both)) (WHPP (IN of) (WHNP (WDT which)))) (S (VP (VBP have) (VP (VBN issued) (NP (BASENP (NNS evacuations)) (PP (IN for) (BASENP (JJ low-lying) (NNS areas)))))))))))))) (PERIOD .))